Islamic State attacked villages near the only useable road that links the government-controlled cities of Aleppo and Homs on Thursday, killing many residents, Syrian state media and a Britain-based war monitor said.
The evacuation of Syrian civilians and fighters from four besieged towns, part of a mediated swap deal between the warring sides, ended on Friday after a 48-hour halt, state media and a rebel official said.
Evacuations from four besieged areas of Syria resumed on Wednesday, Syrian state television, a Hezbollah media unit and a war monitor reported, days after a suicide bombing killed dozens in a convoy which was part of the same reciprocal agreement.
Hundreds of civilians and fighters who have been under crippling siege for more than two years left four Syrian towns in fleets of buses on Friday under a delayed evacuation deal.
Water has reached a pumping station inside Aleppo and will "soon" go out to residential districts in the city, Syrian state media said on Tuesday.
Syrian government forces and their allies drove Islamic State militants out of several villages northeast of Aleppo between Tuesday and Wednesday, a monitoring group said, bringing them closer to territory held by Turkish-backed rebels.
The Syrian army and its allies on Sunday drove Islamic State from the village of Soran, east of Aleppo, bringing them closer to territory held by Turkey-backed rebels.