Dhaka: At least six people were injured when two Molotov cocktails exploded at a mosque inside a major naval base in Bangladesh's port city of Chittagong after Friday prayers, the latest in a series of attacks on temples, security establishments and foreigners claimed by Islamists.

"Two (Molotov) cocktails exploded at a mosque inside the BNS Issa Khan in Chittagong after the (weekly) jumma prayers... Six people received minor injuries in the blasts," the navy said in a statement hours after the blasts.