At least 25 people have been killed, following attack by suspected Boko Haram militants on three villages, in northeastern Nigeria.
At least 16 people, 13 Boko Haram militants and three civilians, were killed in a series of separate raids on remote villages around Lake Chad.
At least 11 people have been killed, and dozens injured, following a blast at a market in northeastern Nigeria.
At least 14 people have been killed, following a suicide attack, purported to have been carried out by a teenage girl, in northern Cameroon, just three days after twin bombings in the same town.
At least eight people have been killed, and around a further 100 were injured, as a result of chlorine inhalation following an explosion at a water treatment plant in Nigeria.
At least 29 people have been killed, and a further 60 were wounded, following multiple bomb blasts in the northern Nigerian city of Gombe.
At least 13 people have been killed, following two suicide bomb attacks in northern Cameroon, in what is believed to have been the deepest incursion into the country by Boko Haram militants.
At least two people have been killed, following a car suicide bombing at a checkpoint on the outskirts of the city of Damaturu, in northeastern Nigeria.
Islamic State militants have kidnapped at least three African Christians, from Egypt, Nigeria and Ghana, in Libya.
At least 19 Boko Haram militants, and two Chadian soldiers, have been killed in fighting, following an attack on a village in Chad.