People take part in a rally in N'Djamena on January 17, 2015 to show their support of the authorities' decision to send troops to fight Nigeria's Boko Haram Islamists. Cameroon, Chad and Niger have launched a regional bid to combat the Boko Haram Islamists, as their attacks spread beyond Nigeria and concern mounts over the Nigerians' failure to regain control. Chad's plunge into the war against Boko Haram came after a large-scale attack by the militants in Baga, the Nigerian town on the shores of Lake Chad were as many as 2,000 people were massacred by the militants in a raid on January 7. AFP PHOTO / STRINGER (Photo credit should read STRINGER/AFP/Getty Images)
