Blast, gunshots heard at American University in Kabul, reporter says

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An Afghan security personnel (C), holding a rocket-propelled grenade, stands guard near the site of explosion that targeted the elite American University of Afghanistan in Kabul on August 24, 2016. Explosions and gunfire rang out as militants stormed the elite American University of Afghanistan in Kabul on August 24, 2016, prompting desperate calls for help from students trapped inside classrooms, in the latest attack in the Afghan capital. No group has so far claimed responsibility for the assault, which comes just weeks after two university professors -- an American and an Australian -- were kidnapped at gunpoint near the school. / AFP / WAKIL KOHSAR (Photo credit should read WAKIL KOHSAR/AFP/Getty Images)

A blast and gunshots have been heard at the American University of Afghanistan complex in Kabul, according to eyewitnesses.

Fires are burning on the campus, said Tarek Mahjari, a reporter for Tolo News who reported the details in a phone interview with his employer.

Ambulances, security forces and search and rescue teams are en route to the university.

The blast occurred at 7:50 p.m. local, when students were gathering and eating together.

Officials tell CNN that it is too early to comment.

Developing story – more to come