The alleged leader of Al-Qaeda's Khorasan Group was killed in a July 8 air strike by the US-led coalition while traveling in a vehicle in northern Syria, the Pentagon said on Tuesday.

Muhsin al-Fadhli, "was a senior Al-Qaeda facilitator who was among the few trusted Al-Qaeda leaders who received advance notification of the September 11, 2001, terrorist attacks on the United States," said Captain Jeff Davis, a Defense Department spokesman.