The siege began Process_start with knights , infantry , and siege Besieging engines and included Cause_to_be_included the plundering of the environs of the city and assaults on its walls .

The 2015 Baga massacre Killing was a series of mass killings Killing carried out Military_operation by the Boko Haram terrorist Terrorism group in the north-eastern Nigerian town of Baga and its environs , in the state of Borno , between 3 January and 7 January 2015 .