Boko Haram gunmen have killed four people and torched homes in a night-time raid on a village in restive north-eastern Nigeria, local sources said Sunday. The militants stormed Amarwa village, while lies about 20 kilometres (12 miles) from Maiduguri, the capital of Borno state and birthplace of Boko Haram. According to a leader of a local militia fighting the jihadists, the gunmen shot indiscriminately at villagers and set fire to homes in the raid late Saturday.