KABUL, (Reuters) – An Afghan army driver was killed when an anti-personnel mine in his vehicle accidentally detonated on Saturday, police said.

The blast, near Afghanistan’s foreign ministry, was initially thought to have been caused by a suicide bomber or taliban attack.

“Our understanding is that an anti-personnel mine was detonated while it was being carried in an ANA (Afghan National Army) vehicle,” an ISAF spokesman said.

A police official said the driver had been killed but there were no other casualties.

Despite the presence of 150,000 foreign troops, the Taliban insurgency is growing stronger, and government security forces and buildings are frequently targets of suicide bombers.