Cameroon says its military has shot dead four separatist rebels who they blame for the death of a US pastor near the town of Bamenda on Tuesday.

Charles Trumann Wesco arrived in north-west Cameroon earlier this month with his wife and eight children.

It is not yet known if he was targeted or whether he was killed by a stray bullet.

The Cameroon government said Mr Wesco died in hospital after being shot in the head by the separatists.

It said the military pursued the rebels and the four separatists were killed during an exchange of fire.

It has not been possible to independently verify the government's version of even