The African Union agreed unanimously to send 7500 troops as counter terrorism forces to fight Boko Haram in four countries; Chad, Nigeria, Niger and Cameron after the meeting held on 31 January 2015, according to Samil Chergui, head of the African Union's Peace and Security Council. In response to 5 years of massacres in Nigeria by Boko Haram, 54 African leaders met in Ethiopia in a two-day summit and agreed to send troops from different nationalities to fight Boko Haram in West Africa. Ban Ki-moon the United Nations Secretary General stated that the UN supports the AU's battle against Boko Haram. On Thursday, Chad sent a warplane and troops to get rid of Boko Haram militants from northeastern Nigeria border town, "the foreign intervention comes as a result of a bilateral arrangement between the two countries" Chergui said. Boko Haram kidnapped 276 school girls at a boarding school in the remote town of Chibok, some fear that Boko Haram is using the kidnap victims in its conflict, which has displaced more than 1 million people, and killed about 10,000 in the last year, according to the Council on Foreign Relations.