ISIS took control of a section of road southeast of Aleppo Friday, threatening the Syrian army’s only supply route into the city, a group that monitors the civil war said.

ISIS captured parts of a road running between the towns of Khanaser and Ithriya, said Rami Abdulrahman, head of the British-based Syrian Observatory for Human Rights. He said battles were continuing in the area.

Al-Qaeda’s Syria wing and other insurgents are also battling pro-government forces in surrounding areas, said Abdulrahman, who tracks the conflict using sources on the ground. […]