The Syrian government has retaken territory around the northern city of Aleppo, the military said on Tuesday, after two weeks of rebel infighting that has weakened the insurgency against President Bashar al-Assad, Reuters reported.
The internecine conflict among some within the chaotic plethora of rebel groups will allow Assad to portray himself as the only secular alternative in Syria to a radical Islamist regime when peace talks begin in Switzerland on January 22.
His military advances will give the Syrian government delegation greater leverage at the negotiating table.
An army statement said government forces had pushed out from their base at Aleppo's international airport, southeast of the city, and were moving towards an industrial complex used as a rebel base and the al-Bab road, urgently needed by insurgents to supply the half of Aleppo under their control.
It said that government forces, along with militia loyal to Assad, were in "complete control" of the Naqareen, Zarzour, Taaneh and Subeihieh areas along the eastern side of Aleppo, which was the major Arab country's commercial hub and most populous city before the conflict erupted in 2011.
Fighting between the al Qaeda-linked Islamic State of Iraq and the Levant and rival Islamists and more moderate rebels have killed hundreds of people over two weeks and shaken ISIL, a militant faction led by foreign jihadists.
But ISIL regrouped and retook much of its stronghold in the eastern city of Raqqa on Sunday from remnants of the Nusra Front, another al Qaeda affiliate although much more Syrian in makeup, and Islamist units called the Islamic Front.
ISIL took control of the town of al-Bab, east of Aleppo, from other rebels on Monday, according to the Britain-based Syrian Observatory for Human Rights monitoring group.
The Observatory, which tracks Syria's war using sources from both sides, said eight fighters from Ahrar al-Sham, a unit within the Islamic Front, were killed by an ISIL car bomb in the western province of Idlib just before midnight on Monday.
Syria sank into civil war after a peaceful street uprising against four decades of Assad family rule began in March 2011. The revolt spiraled into an armed insurgency after the army responded with massive and deadly force to suppress the unrest.
As the fighting spread, better-armed hardline Islamists took the fore over more moderate Muslim and secular rebels, who are supported by Gulf Arab and Western nations.
Syria's foreign ministry dismissed as "fantasy" statements by the pro-opposition Friends of Syria group - including Western and Gulf states - in Paris on Sunday that Assad was a war criminal and peace talks should end his "despotic regime".
"The Syrian Arab Republic is not surprised by what happened in Paris during the meeting of Syrian people's enemies and the statements, which are closer to fantasy than reality," the ministry said in a statement on Monday.
The World Food Programme delivered rations to a record 3.8 million people in Syria in December, but civilians in eastern provinces and besieged towns near the capital Damascus remain out of reach, a spokeswoman said on Tuesday.
The U.N. agency voiced concern at reports of malnutrition in besieged areas, especially of children caught up in the civil war, and called for greater access.
The official Kuwaiti news agency said non-governmental organizations had promised to donate a combined $400 million for humanitarian aid for Syria ahead of an international donor conference that will start in Kuwait on Wednesday.
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