Syrian troops have repelled an attack by jihadis from ISIS on a key military airport in the eastern province of Deir al-Zor, anti-regime activists said Sunday.

“Troops and pro-regime militia stopped the attack that ISIS launched on the Deir al-Zor military airport,” the Britain-based Syrian Observatory for Human Rights said, adding both sides suffered heavy losses.

The jihadis had withdrawn to the edges of the base, a day after managing to seize a southeastern part of the complex. […]