Four makeshift bombs exploded overnight in the main city in Cameroon's restive anglophone region, but without causing casualties, officials said Monday.

"Four home-made bombs exploded in Bamenda, one at 9:00 pm and the three others at 3:00 am," said a source close to the security services, reached from the capital Yaounde, adding "the blasts did not cause any casualties. They caused minor damage in the various places." A security source in Yaounde confirmed the account.