Kabul university attack: 12 killed as gunmen open fire on campus

Twelve people were killed in an attack on a university in Kabul, the Afghan capital, a spokesman for the Chief of Kabul Police tells CNN. Two gunmen who were still on the site were killed Thursday morning in a police operation.

Seven students, three policemen and two security guards were killed in the attack on the American University of Afghanistan in Kabul campus, Basir Mujahid, the spokesman said. Thirty students were injured in the attack, which no group has yet claimed responsibility for.

Around 750 students were on campus at the time, he added.