Chad's President Mahamat Idriss Deby Itno vowed to eradicate Boko Haram after the "cowardly" attack. Boko Haram is one of several armed groups operating around Lake Chad.
Nigeria is set to reintegrate more than 700 former Boko Haram fighters into society under a government deradicalization program. Authorities say this is key to ending the insurgency — but communities are skeptical.