Gunmen have attacked a local television station in the Afghan Capital Kabul, with reports that people have been killed and injured.

According to media reports citing witnesses the attackers threw grenades and fired guns as they entered the Shamshad Tv headquarters.

A reporter who managed to escape told the BBC the attackers were still inside the building with gunfire being heard.

More than 100 employees are thought to be inside the building. It is not clear who was behind the attack.

Police say the number of attackers and people killed and injured remains unclear.