Troops from Chad and Niger have retaken the northeastern Nigerian town of Damasak from Boko Haram as part of a regional offensive to combat the militants who have pledged allegiance to the Islamic State group.
Nigeria's Boko Haram rebels carried out their first attack inside neighbouring Chad, targeting a village on the shores of Lake Chad as part of a widening insurgency that has sucked in four countries.
Chadian aircraft on Saturday bombed the Nigerian town of Gamboru in a raid targeting extremist group Boko Haram, security sources said, as regional efforts to combat the Islamists intensified.
Nigeria should be able to recover more than 200 schoolgirls abducted from their school by Islamic militants last month, President Goodluck Jonathan said Sunday as a new offer of help arrived from Israel.
Chad on Saturday dismissed as "defamatory and tendentious" UN accusations that its troops carried out an unprovoked attack when they opened fire in a crowded market in the Central African Republic's capital, killing at least 30 people.
Thousands of residents of conflict-ravaged Central African Republic (CAR) attempted to flee inter-religious violence over the weekend, as the death toll from a month of fighting between Christian militias and Muslim separatist rebels passed 1,000.
Boko Haram says it has launched a war against the Borno state authorities and a hunt for youths in Borno and Yobe states who recently formed vigilante groups to assist Nigerian forces identify and arrest insurgents in their local communities
Chad has suffered the most casualties of any of Mali's allies fighting against insurgents in northern Mali. On Friday (March 12) 3 Chadian soldiers were killed by a suicide bomber in the northern Mali town of Kidal.