Members of a family gather their belongings as they wait to flee Nougboua after Nigeria's Boko Haram rebels carried out an attack on the village on February 13, 2015. Nigeria's Boko Haram rebels carried out their first attack Friday inside neighbouring Chad, targeting a village on the shores of Lake Chad as part of a widening insurgency that has sucked in four countries. AFP PHOTO / STEPHANE YAS        (Photo credit should read STEPHANE YAS/AFP/Getty Images)