US says it killed Islamic State group leader in airstrike in Syria

Syrians continue to celebrate the ousting of Bashar al-Assad’s government, at Umayyad Square, in Damascus, Syria, on Friday (Hussein Malla/AP)

The US military conducted airstrikes in northeastern Syria on Thursday, killing a leader of the so-called Islamic State (IS) group and one other militant, US Central Command (Centcom) has said.

The leader killed was Abu Yousef, also known as Mahmud, Centcom said.