At least 38 Boko Haram militants were reportedly killed, following a series of operations, carried out by soldiers from Niger and Chad.
At least 12 people have been killed, following an attack by two suspected suicide bombers, in northern Nigeria.
Four militants have detonated suicide bombs, killing three of the attackers but nobody else, on an island, in Lake Chad.
At least 30 people have been killed, and a further 80 are injured, following a triple suicide blast, on the Chadian side of Lake Chad.
At least 18 people have been killed, following an attack, by suspected Boko Haram militants, on a village, in southern Niger.
At least two soldiers, and 11 suspected militants, have been killed, following two suspected Boko Haram attacks, in Chad.
At least 14 people have been killed, following a double suicide bombing, in a mosque, in northeastern Nigeria.
Two suicide bombers, suspected to be Boko Haram militants, detonated their explosives near an army camp, in Chad.
Cameroon has arrested at least three people, suspected of being Boko Haram militants, carrying a bag, containing improvised explosive devices, in the northern town of Maroua.
At least 25 people have been killed, following attack by suspected Boko Haram militants on three villages, in northeastern Nigeria.