Children ride on bicycles past a wall broken by rebels from Boko Haram who kidnapped Government Science Secondary School students in Kankara, Nigeria, Tuesday, December 15, 2020. Rebels from the Boko Haram extremist group claimed responsibility Tuesday for abducting hundreds of boys from a school in Nigeria's northern Katsina State last week in one of the largest such attacks in years, raising fears of a growing wave of violence in the region. (Photo by Sunday Alamba/AP Photo)
