(ABC NEWS) The American University of Afghanistan in Kabul is under assault, as security forces exchange gunfire with the attackers.
The number of students and professors inside are unknown, as is the identity of the attackers.
The U.S. State Department acknowledged reports of the attack on an official Twitter account.
Advertisement - story continues below
"Reports of attack on American University in Kabul. Exercise caution, avoid unnecessary movement in the area & monitor news for updates," the agency said.