Military commanders inspect arms and ammunitions recovered from Boko Haram militants in Nigeria.
Niger Army soldier takes a breather during security patrol near the Nigerian border on the hunt for Boko Haram militants.
The area around Diffa, Niger, has experienced fighting between Boko Haram and African security forces.
A car burns at the scene of a militant attack on a church outside the Nigerian captial of Abuja. At least 27 people were killed in five bomb attacks claimed by Boko Haram.
Nigerian soldiers hold up a Boko Haram flag seized in the town of Damasak in 2015.
Nigerian soldiers are seen after an operation against Boko Haram in Borno, Nigeria, in 2016.
A soldier from the Niger army stands next to a burnt out tank belonging to Boko Haram.
Names of missing Chibok schoolgirls kidnapped by Boko Haram are displayed in Abuja, Nigeria.
A screengrab from a video reportedly released by Boko Haram shows seven members in an undisclosed location.
A screengrab from a video released in 2018 shows Boko Haram leader Abubakar Shekau amid a surge in violence in Nigeria. He was recently reported as having been killed.
A screengrab from a video released in 2014 shows Abubakar Shekau, who had voiced support for ISIS. He was recently reported as having been killed.