Deir ez-Zor offensive
Part of the Battle of Deir ez-Zor and the Eastern Syria campaign of the Syrian civil war

The situation in Deir ez-Zor, as of 17 November 2017
  Syrian Government control
  Syrian Democratic Forces control
Date14 September – 17 November 2017
(2 months and 3 days)
Location
Deir ez-Zor, Deir ez-Zor Governorate, Syria
Result

Decisive Syrian Arab Army victory

  • On 17 October, the Syrian Army secured a perimeter surrounding the ISIL-controlled half of the city[1]
  • On 3 November, the Syrian Army took complete control of the city,[2][3] and on 17 November, ISIL surrendered the island of Hawijat Kati, bringing all areas around the city under Army control[4]
Belligerents

Syrian Arab Republic

 Russia
 Iran
Allied militias:
Liwa Fatemiyoun[5]
Fatah al-Intifada[6]
Galilee Forces[7]
Free Palestine Movement[8]		  Islamic State of Iraq and the Levant Surrendered
Commanders and leaders
Syria Maj. Gen. Suheil al-Hassan[9]
Syria Maj. Gen. Issam Zahreddine †[10]
(Republican Guard)
RussiaSyria Lt. Gen. Valery Asapov †[11]
(Syrian 5th Corps)[12]
Syria Ghassan Iskander Tarraf[13]
(Republican Guard)
Syria Tha'er Ismail †[14]
(Tiger Forces)
Maj. Gen. Abu Ali Salhab[15]
(Military Security Shield Forces)
Tariq al-Hassan †[14]
(Baqir Brigade)
Iran Shaaban Ali Amiri †[14]
(IRGC senior commander)		 Unknown
Units involved

Syrian Armed Forces

Russian Armed Forces

Iran IRGC[14]

Islamic State Military of ISIL

  • Wilayat Deir ez-Zor
Casualties and losses
120 killed (18 Sep. – 25 Sep.; 29 Oct. – 1 Nov.)[19][20] 300+ killed (Syrian claim; 29 Sep. – 13 Oct.)[21]
101 killed (per SOHR; 29 Oct. – 1 Nov.)[20]
250+ captured[4]

The Deir ez-Zor offensive was a military operation launched by the Syrian Armed Forces to completely expel the Islamic State of Iraq and the Levant (ISIL) from the city of Deir ez-Zor, a provincial capital, located on the banks of the Euphrates river. From 2014 until 2017, the city had been divided into Syrian government and ISIL-controlled halves. The rest of the Governorate (province) was under ISIL control for most of this time, putting the government-controlled half of the city under siege.

In the summer of 2017, the Syrian Army launched a large-scale offensive in central Syria, where they succeeded in lifting the siege and began offensive operations to capture the rest of the city, as well as the surrounding areas.[22]

Background

The Syrian Army managed to break the siege of Deir ez-Zor by linking up with the 137th brigade base on 5 September. The next day they secured a supply line via the Ar-Raqqa road,[23] at which point the siege was officially lifted and two new objectives were established: first, to capture the nearby villages on the Eastern bank of the Euphrates, surrounding the ISIL-controlled parts of the city and cutting access to the city for the Syrian Democratic Forces who were conducting a concurrent offensive in the area.[24][25] Second, to recapture the entire city.[24]

Battle

Surrounding the city

On 14 September, the Syrian Army captured the district of Al-Baghiliyah as well as the Al-Jazeera University campus, located within the district.[26][27][28] After this, the Syrian Army was able to capture Maria'yah and secured its surroundings.

On 15 September, Russian Foreign Ministry spokeswoman Maria Zakharova announced the beginning of the army offensive across the Euphrates River, codenamed Assad's jump, and a day later, the Russian air force bombed the positions of the SDF northeast of Deir ez-Zor.[29]

On 16 September, the Syrian Army captured Ayyash and its nearby hill, reversing ISIL gains made during a previous offensive in 2016.[30]

On 18 September, pro-government forces crossed the Euphrates River[31] using pontoon bridges, and launched an offensive on the east bank of the city of Deir ez-Zor,[32] capturing positions east of al-Marat and reaching the outskirts of Mazloum. On 22 September, the 4th Mechanized Division and the 5th Legion began an advance south of Mazloum towards Khasham.[33][34]

On 23 September, government forces advanced northwest of Deir ez-Zor, linking up with troops in southeast Raqqa[35] and capturing Maadan.[36][37] Between 14 and 23 September, the military had cleared between 1,300 and 1,700 square kilometers of territory, including 35 towns and villages.[38][39]

On 6 October, it was reported that Syrian airstrikes on ISIS-held Al-Makhan in eastern Deir ez-Zor resulted in 13 civilian deaths.[40]

On 16 October, the Syrian Army captured the town of al-Husayniyah on the other side of Euphrates from Deir ez-Zor.[41] The next day, the town of Janenah was also captured.[42]

On 17 October, the Syrian Army engaged ISIS on the east bank of the Euphrates and captured Al-Khasarat, Al-Kanamat, and Al-Matar, giving them control of all areas surrounding the ISIL-held parts of the city.[1] The following day, Syrian Democratic Forces captured the villages of Shaqra, Hissan, Safirah Fawqani and Al-Jea'a.[43] These advances eliminated all of ISIL's presence along the Euphrates north of Khusham, with the exception of Deir Ez-Zor city itself.

Capturing the city

On 17 October, the Army captured three districts in Deir ez-Zor and advanced in three other areas,[44] bringing 90 percent of the city under their control.[45]

On 18 October, while operations were being conducted against ISIL forces on Saqr Island, Major General Issam Zahreddine was killed after his convoy hit a landmine.[10] The following day, ISIL launched a surprise offensive on Saqr Island. They detonated a tunnel bomb before a general attack on Syrian Army positions, aiming to push them off the island. However, the attack was repelled with minimal army casualties.[46]

On 23 October, it was reported that Syrian airstrikes on the residential neighbourhood of Qosour in western Deir ez-Zor resulted in 15 civilian deaths.[47]

Syrian soldiers fighting in the streets of Deir Ez-Zor on 2 November

On 25 October, the Syrian Army broke through ISIL defenses in the northwest section of the Al-Harabisheh district, advancing 100 meters past the city stadium.[48] The next day, after capturing the city's Industrial District, Syrian Army forces led by the elite Tiger Forces crossed the Euphrates and attacked Saqr island from its western flank.[49] By the end of the day, government forces managed to capture the island.[50] They also captured parts of the al-Sena’aa District[9] and entered the Ummal District.[51]

On 29 October, government forces captured two districts and a stadium in Deir ez-Zor,[52] after which they advanced into a third district.[53] They were attempting to reach an area that overlooks some of the remaining ISIL-held neighborhoods where an estimated 1,500 civilians were trapped.[54] 50 ISIL militants and 23 pro-government fighters were killed during the day's fighting.[52] On 31 October, Syrian Government forces had recaptured the districts of al-Kannamat and al-Rasafeh, as well as completely securing the Old Airport area, after taking the municipal stadium on the previous day.[55]

On 1 November, the Syrian Army made significant advances in central Deir ez-Zor, capturing Jubaliyah district, the school of law, the central park and the southern part of the Hamidiyah district. On the next day, ISIL's defense lines collapsed[56] as the Tiger forces and Republican guard units made rapid advances in the central parts of the city, capturing Deir ez-Zor's largest district,[57] Hamidiyah.[58] This left ISIL forces squeezed[59] in the four remaining neighborhoods under their control[2] along the western bank of the Euphrates.[60] By midnight, the Sheikh Yassin, Ardhi and Rashdiyah neighborhoods were captured,[61][60] leaving only the al-Hawiqa district under jihadist control,[2] with around 100 militants confined there.[56] On 3 November, Syrian government forces completely captured the city.[2][3][62]

On 10 November, the Syrian Army controlled 80 percent of Hawijat Qati island after an offensive to capture ISIL's last positions in the area.[63] By 17 November, the last ISIL fighters on the island had surrendered, and the Syrian Army regained control of all territory surrounding Deir ez Zor city.[4][64]

Progress of the offensive in the surrounding areas of Deir ez-Zor

Aftermath – advance on Abu Kamal

The victory in Deir ez-Zor city freed Syrian army units to engage ISIL forces in the towns south of Mayadin and join in the efforts to reach the strategic border town of Abu Kamal, from the northern axis.[65]

See also

References

  1. 1 2 "Syrian Army liberates three districts in Deir Ezzor City". Al-Masdar news. Archived from the original on 21 September 2018. Retrieved 19 October 2017.
  2. 1 2 3 4 "Syria declares victory over Islamic State in Deir al-Zor". 3 November 2017. Retrieved 5 November 2017 – via Reuters.
  3. 1 2 "Isis dealt twin blows with loss of Deir ez-Zor and key Iraq border post". Agence France-Presse. 3 November 2017. Retrieved 5 November 2017 – via www.theguardian.com.
  4. 1 2 3 "ISIS mass surrenders large Deir Ezzor island, 250+ terrorists captured". AMN News. Archived from the original on 19 May 2019. Retrieved 17 November 2017.
  5. ↑ Ahmad Shuja Jamal (13 February 2018). "Mission Accomplished? What's Next for Iran's Afghan Fighters in Syria". War on the Rocks. Retrieved 4 August 2018.
  6. ↑ "Member of "Fath Al-Intefada" dies in clashes and "Free Palestine Movement" sends its members to support the regime in it". Action Group for Palestinians of Syria. 14 November 2018. Retrieved 23 March 2018.
  7. ↑ "Death of 6 members of Al-Jaleel Brigade, affiliated to the Syrian regime". Action Group for Palestinians of Syria. 31 August 2018. Retrieved 23 March 2018.
  8. ↑ "Member of Free Palestine Movement killed in Deir ez-Zor". Action Group for Palestinians of Syria. 6 August 2017. Retrieved 23 March 2018.
  9. 1 2 "After 3 days of assigning the Brigadier Suhail Al-Hassan to lead their operations…the regime forces achieve advancement in a neighborhood in Deir Ezzor city". Retrieved 29 October 2017.
  10. 1 2 "Land Mine Kills Syrian Star Commander". Tasnim news agency. Retrieved 19 October 2017.
  11. ↑ "ISIS shell kills Russian commander of Syrian Euphrates crossing". Debkafile.
  12. ↑ "Russia says general killed in Syria held senior post in Assad's army". 27 September 2017. Retrieved 2 October 2017 – via Reuters.
  13. ↑ "Highly decorated general to replace Zahreddine as leader of Republican Guard in Deir Ezzor". Al-Masdar News. 22 October 2017. Archived from the original on 1 April 2019. Retrieved 22 October 2017.
  14. 1 2 3 4 5 6 "The Death of Two Commanders of the IRGC and Al-Baqir Brigade in Syria". Nedaa Syria. 27 October 2017. Archived from the original on 18 November 2018. Retrieved 12 March 2018.
  15. 1 2 Tom O'Connor (14 September 2017). "Russian Military, Not U.S., to Lead Battle for ISIS's Final Major City in Syria". News Week. Retrieved 24 July 2019.
  16. ↑ Aymenn Jawad Al-Tamimi (14 February 2016). "Liwa Usud al-Hussein: A New Pro-Assad Militia in Latakia". Syria Comment. Retrieved 5 July 2018.
  17. ↑ https://www.voanews.com/world-news/middle-east-dont-use/russia-special-forces-helping-syria-win-key-city |date retrieved=26 Oct 2019
  18. ↑ Dmitriy. "В боях в Сирии погиб уроженец Оренбурга Сергей Карпунин". geo-politica.info. Retrieved 12 December 2017.
  19. ↑ "In its repel attacks, ISIS kills at least 79 members of the regime forces and their allied militiamen including 7 Russians in the eastern banks of the Euphrates River". Syrian Observatory for Human Rights. Retrieved 25 September 2017.
  20. 1 2 "The regime forces impose their control on more than 95% of Deir Ezzor city and ISIS defend the last area remaining under its control". 2 November 2017. Retrieved 2 November 2017.
  21. ↑ "Syrian Army slays hundreds of ISIS militants during big battle to encircle Deir Ezzor city". 13 October 2017. Archived from the original on 20 February 2018. Retrieved 29 October 2017.
  22. ↑ "Syrian army breaks years-long Isil siege on Deir Ezzor". The Telegraph. Retrieved 5 September 2017.
  23. ↑ "Syrian army breaks Isis' three-year-long siege of Deir Ezzor". Independent. Retrieved 5 September 2017.
  24. 1 2 "Breaking of Islamic State siege on Deir al-Zour supports Russian and Iranian strategic objectives in eastern Syria". Janes 360. Archived from the original on 20 October 2017. Retrieved 7 September 2017.
  25. ↑ "Mapping the Battle Against ISIS in Deir Ezzor". News Deeply. Retrieved 26 September 2017.
  26. ↑ "Syrian Army liberates important Deir Ezzor district in Euphrates River Valley". AMN - Al-Masdar News | المصدر نيوز. 14 September 2017. Archived from the original on 21 September 2018. Retrieved 16 September 2017.
  27. ↑ "Exclusive:: Watch the Syrian Army liberate Al-Baghiliyah in Deir Ezzor". AMN - Al-Masdar News | المصدر نيوز. 16 September 2017. Archived from the original on 26 December 2018. Retrieved 16 September 2017.
  28. ↑ "Deir Ezzor update: Syrian Army advances along western bank of Euphrates River". AMN - Al-Masdar News | المصدر نيوز. 14 September 2017. Archived from the original on 13 December 2018. Retrieved 16 September 2017.
  29. ↑ "Russia: Syria government forces now on east bank of Euphrates river". Reuters. 15 September 2017. Retrieved 24 September 2017.
  30. ↑ "ضربات جوية تستهدف شرق الفرات". SOHR (in Arabic). 16 September 2017. Retrieved 16 September 2017.
  31. ↑ "The regime forces control Hawija Sakr and work with the Russians on rehabilitating the military base of Deir Ezzor and new groups arrives to the eastern bank of the Euphrates River". SOHR. Retrieved 2 October 2017.
  32. ↑ "Pro-government Forces Advance Toward SDF in Deir Ezzor". Syria Deeply. 19 September 2017. Retrieved 28 September 2017.
  33. ↑ "Breaking: Syrian Army continues advance along eastern bank of Euphrates". Al-Masdar News. 22 September 2017. Archived from the original on 31 December 2018. Retrieved 24 September 2017.
  34. ↑ "The regime forces extend their scope of control in the sixth day of crossing the Euphrates River in the eastern banks". Al-Masdar News. Retrieved 24 September 2017.
  35. ↑ "VIDEO: Syrian Army troops in south Raqqa meet up with Deir Ezzor forces". 23 September 2017. Archived from the original on 16 November 2018. Retrieved 29 October 2017.
  36. ↑ "BREAKING: Syrian Army liberates Ma'adan, entire western Euphrates bank north of Deir Ezzor from ISIS". 23 September 2017. Archived from the original on 19 October 2017. Retrieved 29 October 2017.
  37. ↑ "The "Islamic State" organization loses its stronghold in Al-Raqqah city and its presence in the province is completely lost". Retrieved 2 October 2017.
  38. ↑ "By Russian ground and air support, the regime forces restore 35 cities, towns and villages with an area of more than 1300 square kilometers in the countryside of Deir Ezzor and Raqqa". Retrieved 2 October 2017.
  39. ↑ "Syrian Army fully liberates southeast Raqqa, northwest Deir Ezzor: map". 24 September 2017. Archived from the original on 15 January 2019. Retrieved 2 October 2017.
  40. ↑ No less than 39 massacres in October 2017, Syrian Network for Human Rights, 8 November 2017, p.6
  41. ↑ "Breaking: ISIS retreats from east Euphrates region amid rapid Syrian Army gains". AMN - Al-Masdar News | المصدر نيوز. 16 October 2017. Archived from the original on 14 July 2018. Retrieved 16 October 2017.
  42. ↑ "Syrian Army chases ISIS militants up the east Euphrates bank, liberates key town". AMN - Al-Masdar News | المصدر نيوز. 17 October 2017. Archived from the original on 15 July 2018. Retrieved 19 October 2017.
  43. ↑ "War Correspondent on Twitter". Twitter. Retrieved 19 October 2017.
  44. ↑ "Major development: Syrian Army liberates three districts in Deir Ezzor City". 17 October 2017. Archived from the original on 21 September 2018. Retrieved 29 October 2017.
  45. ↑ "The regime forces achieve rapid advancement in Deir Ezzor city at the expense of the "Islamic State" organization and control more than 92% of the city". Retrieved 29 October 2017.
  46. ↑ "Powerful ISIS offensive aims to drive Syrian Army off Saqr Island into Euphrates". Al-Masdar news. Archived from the original on 22 November 2018. Retrieved 19 October 2017.
  47. ↑ No less than 39 massacres in October 2017, Syrian Network for Human Rights, 8 November 2017, p.7
  48. ↑ "Ivan Sidorenko on Twitter". Twitter. Archived from the original on 21 February 2020. Retrieved 25 October 2017.
  49. ↑ "Breaking: Syrian Army liberates Deir Ezzor's largest island". 26 October 2017. Archived from the original on 27 October 2017. Retrieved 29 October 2017.
  50. ↑ "Military operations escalate in Deir Ezzor city and the regime forces re-control the land that witnessed the kill of the man who "legalized the civil war"". Retrieved 29 October 2017.
  51. ↑ "Latest map update of Deir Ezzor battle". 26 October 2017. Archived from the original on 16 November 2018. Retrieved 29 October 2017.
  52. 1 2 "Syria army, IS clashes in Deir Ezzor kill 73 - The Express Tribune". 29 October 2017. Retrieved 29 October 2017.
  53. ↑ "Breaking: Syrian Army enters Deir Ezzor district for the first time in 6 years". 29 October 2017. Archived from the original on 16 November 2018. Retrieved 29 October 2017.
  54. ↑ Al-Khalidi, Suleiman. "Syrian army, allies step up attacks on last militant bastion in Deir al-Zor city". Retrieved 5 November 2017.
  55. ↑ "Breaking: Deir Ezzor virtually liberated as Syrian Army blasts its way through last ISIS-held districts". 31 October 2017. Archived from the original on 14 July 2018. Retrieved 5 November 2017.
  56. 1 2 "Syrian Army captures 97% of Deir Ezzor City, ISIS on its last legs: video". 2 November 2017. Archived from the original on 16 November 2018. Retrieved 5 November 2017.
  57. ↑ "The regime forces control the largest neighborhood in Deir Ezzor city and besiege ISIS in hundreds of meters remained under its control". Retrieved 5 November 2017.
  58. ↑ "Breaking: Syrian Army in full control of Al-Hamidiyah Quarter for the first time in six years". 2 November 2017. Archived from the original on 16 November 2018. Retrieved 5 November 2017.
  59. ↑ "The regime forces impose their control on more than 95% of Deir Ezzor city and ISIS defend the last area remaining under its control". Retrieved 5 November 2017.
  60. 1 2 "ISIS fully expelled from western bank of Euphrates as Syrian Army liberates last Deir Ezzor districts". 3 November 2017. Archived from the original on 16 November 2018. Retrieved 5 November 2017.
  61. ↑ Syria declares victory over Islamic State in Deir al-Zor
  62. ↑ "Syrian Army command officially announces Deir Ezzor liberated - video". 3 November 2017. Archived from the original on 17 November 2018. Retrieved 5 November 2017.
  63. ↑ "Syrian Army resumes offensive at large Deir Ezzor island". 11 November 2017. Archived from the original on 10 November 2017. Retrieved 11 November 2017.
  64. ↑ After an undisclosed agreement, the regime forces imposes their control over Hwyjet Katea’ and tens of ISIS members surrender, the fate of about 150 civilians in it is unknown
  65. ↑ "Syrian army, allies, take last IS stronghold in Syria: commander". 8 November 2017 – via Reuters.

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