3 killed in UN helicopter crash in South Sudan

In this Sunday, Dec. 22, 2013 file photo released by the United Nations Mission in South Sudan (UNMISS), a United Nations MI-8 helicopter transporting wounded civilians from Bor, the capital of Jonglei state and said to be the scene of fierce clashes between government troops and rebels, arrives at the airport in Juba, South Sudan. The U.N. mission in South Sudan said Tuesday, Aug. 26, 2014 that one of its MI-8 cargo helicopters has crashed near Bentiu, which is hotly contested between the government and rebels, and a U.N. official told The Associated Press that it appears the aircraft was shot down. (AP Photo/UNMISS, File)A rebel commander who warned the U.N. not to fly over his territory shot down a U.N. helicopter Tuesday in rural South Sudan, charged a spokesman for a state governor.