An Islamic school in the Nigerian town of Bukuru collapses with at least four students killed and 40 injured.
Gunmen kill 36 people, wound several others, and burn down houses when they attack two villages in Kaduna and Katsina States, Nigeria. Several attackers are also killed during an air operation by security forces.
Villagers in the Nigerian Kala-Balge district of Borno State form a vigilante group and successfully repel an attack from the terrorist Islamist group Boko Haram, seizing three cars and a military vehicle and killing around 200 of the militants.
The death toll of a series of co-ordinated bombing attacks in Kano, Nigeria, rises to more than 140. The attacks, which targeted police stations across the city, are attributed to Islamist group Boko Haram.