|2014 Deir ez-Zor offensive|
|Part of the Syrian Civil War and the Inter-rebel conflict during the Syrian Civil War|
|Islamic State of Iraq and the Levant|
|Commanders and leaders|
Abu Mohammad al-Jawlani|
(Al-Nusra Front leader)
(Islamic Front Military leader)
Ahmed Abu Issa
(Islamic Front leader)
Brig. Gen. Abdul-Ilah al-Bashir
(FSA Chief of Staff)
(Al-Tawhid Brigade leader)
Abu Hussein al-Dik†
(Suqour al-Sham Brigade leader)
Abu Khaled al-Suri†
(Ahrar ash-Sham senior leader)
Abu Bakr al-Baghdadi|
Abu Omar al-Shishani
|Casualties and losses|
|414 killed (10–11 April; 30 April–10 June)||267 killed (10–11 April; 30 April–10 June)|
|39 civilians killed (30 April–10 June)|
The 2014 Deir ez-Zor offensive was an offensive by the Islamic State of Iraq and the Levant, also known as ISIS, against all other opposition forces in the Deir ez-Zor Governorate as part of the Inter-rebel conflict during the Syrian Civil War.
After more than three months of heavy fighting, ISIS totally defeated the rebels and captured almost the whole province, except a part of the provincial capital, the military airport on its southern outskirts and a few of the surrounding towns that remained under control of government troops that were not involved in the inter-rebel fighting.
ISIS attack on Abu Kamal
On 10 April, ISIS launched a three-pronged assault on rebel positions in and near the border town of Albu Kamal. The ISIS reportedly took parts of the town, the silos near the town and Kabajeb. The bodies of 10 rebel fighters, allegedly executed by ISIS, were found at two different sites in Kamal with more reports of the summary executions of rebels by the ISIS in the area according to the SOHR. A counter-attack by al-Nusra Front and its allies was reported the same day involving the Qadisya Brigade and the Omar al-Mukhtar Brigades against ISIS positions. On 11 April, the number of dead on both sides was raised to 86, including the brother of the ISIS Emir in Abu Kamal and the judge of a Sharia committee.
On 11 April, Jabhat al Nusra and Islamic battalions bolstered by reinforcements regained control of Abu Kamal after the ISIS was pushed out of occupied districts in less than a few hours after the takeover. ISIS pulled out to the T2 oil station on the outskirts of the city. Most of its checkpoints in the area were also removed. The SOHR confirmed the executions of seven rebel fighters belonging to the Islamic battalion during the seizure of the oil station the previous day. 26 ISIS fighters were killed in the second day of fighting with the rebel death toll rising to 60. Three Islamic fighters were also killed battling ISIS positions in the north along with one killed in Markada.
On 13 April, fighting in the Kamal area subsided as ISIS retreated to the town of Haseen. Heavy clashes were reported with rebels as ISIS made territorial gains in the north, capturing several villages previously held by the rebels. On 16 April, rebels pulled away from northern Deir ez-Zor while ISIS was pushed out of a city in the south, leaving 13 ISIS fighters dead. The same day, ISIS assassinated al-Nusra Emir in Idlib province, Abu Muhammed al Ansari.
By 26 April, according to rebel source, some 1,500 rebels were engaged in an offensive in Raqqa province, trying to push towards the city of Ar-Raqqa. The same source claimed that the rebels took at least five villages.
On 1 May, rebels reportedly captured the town of Al Bsiri as well as the mountain of Al Bsir from the ISIS. The next day, ISIS fighters took the Abriha village from the rebels, but the rebels recaptured it two days later. More than 60,000 civilians have reportedly fled from towns and villages in Deir ez-Zor province due to the clashes between the rebels and ISIS. That day, the Al-Nusra Front announced that it will stop fighting ISIS as soon as the ISIS will stop its attacks on Muslims. On 5 May, 69 rebels and local gunmen were killed in clashes against ISIS in Deir ez-Zor, while at least 23 ISIS fighters were killed, as well as five civilians, including the governor of the province. The Al Sobha village was reportedly taken by the rebels.
On 8 May, ISIS arrested hundreds of people in Deir ez-Zor under suspicion of having family members among the rebels and 20 of them were allegedly executed. Meanwhile, ISIS captured the villages of al-Tabiya, Al Kesra and Hmar Ali in the province. More than 20 rebels were killed in the clashes. Several ISIS fighters were also killed. On 10 May, ISIS took complete control of western Reef Deir Iz Zor.
From 30 April until 10 May, 230 fighters and several civilians were killed in the clashes between the Al-Nusra Front and ISIS in the governorate of Deir ez-Zor according to the Syrian Observatory of Human Rights; 146 of the dead combatants were those who fought against ISIS.
ISIS captures western Deir ez-Zor
On 11 May, an opposition source stated that since the start of the conflict 2,000 rebel fighters had been killed fighting against ISIS and 2,850 were wounded. From 10 to 11 May, ISIS was said to have gained control of important parts of Eastern Deir ez-Zor province and districts of Deir ez-Zor city from rival rebel forces, opposition sources reported. ISIS reportedly executed multiple FSA fighters at a checkpoint in Al-Hisan village in Deir ez-Zor province on 11 May.
On 13 May, ISIS reportedly gained control of at least five villages in the northern countryside of Al-Raqqa province after battles with rebels; 14 rebel fighters were reported killed in the clashes. ISIS was said to have executed the military commander of the Al-Raqqa rebel brigade and his nephew near Ayn Issa in Al-Raqqa province.
On 16 May, ISIS launched a suicide attack on a rebel brigade's headquarters in Ash-Shaheel town in Deir ez-Zor province; 13–14 people, mostly rebel fighters, were reported killed in the attack.
By late May, 3,000 ISIS fighters were involved in the offensive in Deir ez-Zor.
On 22 May, ISIS was reported to have gained control of Al-Kharrat oil terminal in Deir ez-Zor province; 26 Al-Nusra and rebel fighters were killed in the fighting. ISIS was said to have captured five oil stations in the Deir ez-Zor countryside since the beginning of opposition infighting.
On 2 June in Deir Izzor ISIS took full control of Al-Besera while at the same time the rebels counterattacked, reclaiming 16 villages.
On 5 June, ISIS gained control of the entire western countryside of Deir ez-Zor after Al-Nusra forces withdrew following an assault by Chechen and Afghan ISIS fighters. On 8 June, the FSA reportedly assassinated the ISIS emir of Homs. By 10 June, the offensive into Deir ez-Zor had expanded and ISIS had reportedly driven Al-Nusra and aligned militants from nearly all of the province north of the Euphrates.
According to SOHR, the violence since 30 April led to the death of 241 ISIS fighters and 354 rebels. ISIS also captured four oilfields.
Rebel defections and ISIS captures eastern Deir ez-Zor
Since the start of the offensive, the pace of defections from the opposition to ISIS had accelerated, most significantly in the town of Al-Muhasan and adjacent villages, where a mass defection by the rebel garrison granted ISIS uncontested control over a key route to the provincial capital.
On 25 June, the local unit of Al-Nusra in Abu Kamal on the Iraqi border pledged loyalty to ISIS.
On 30 June, ISIS allowed a relief convoy with aid to enter the provincial capital.
On 1 July, ISIS, bolstered by reinforcements from Iraq, routed rebels from Abu Kamal after days of fighting with opposition forces led by Al-Nusra. ISIS began advancing towards Al-Nusra's stronghold, Shuheil, also reported to be the hometown of its leader, Al-Golani.
On 3 July, ISIS took control of the towns of Mayadin and Shuhail in Deir ez-Zor province, after Al-Nusra fighters withdrew, and gained control of Syria's largest oil field, al-Omar in Deir ez-Zor province, after Al-Nusra forces fled the facility. By this point, the entirety of the province with the exception of the provincial capital, its airport, and a few villages had fallen to ISIS. Following this, ISIS captured the villages of Quniya and Buqris, close to the town of Mayadin.
ISIS moves into the provincial capital
On 14 July, ISIS expelled Nusra and other assorted rebel groups from all rebel-controlled neighborhoods in Deir ez-Zor city. By this stage, SOHR reported that ISIS controlled 95 to 98% of Deir Ez-Zor province.
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- FSA strikes jihadist-held stronghold
- Der Al Zor province
- Der Al Zor province
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- Accused of cooperation with Syria rebels, 20 civilians executed by ISIL in Deir ez-Zor
- تقدم للدولة الاسلامية في ريف دير الزور واتفاق حمص يصل الى خواتيمه
- More than 100 thousand civilians displaced by ongoing clashes in Der-Ezzor
- 100,000 civilians flee jihadist clashes in Syria
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- Al Qaeda splinter group moves to take eastern Syrian city
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- Jihadists trying to establish Islamic state on border of Syria and Iraq
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- [Syria Direct: ISIS AID ENTERS DEIR E-ZOR]
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