Maher al-Agal, said to be responsible for developing networks outside Iraq and Syria, was killed in a drone strike
The US military killed a leader of the Islamic State on Tuesday in an airstrike in Syria, Joe Biden said.
Maher al-Agal, identified by the Pentagon as one of the top five Islamic State leaders and the leader of the Islamic State in Syria, was killed in a drone strike in Jindayris in north-west Syria.