The U.N. Security Council is holding an urgent meeting Monday over the killing of seven peacekeepers serving in the Ivory Coast. The peacekeepers from Niger were killed in an ambush in southwestern part of the country near the Liberian border, the United Nations said. Secretary-General Ban Ki-Moon said he was "saddened and outraged" by the deaths, which happened on Friday. U.N. peacekeepers were deployed to Ivory Coast in 2004 to help end the West African country's civil war and have stayed through the country's recent political crisis.