Johannesburg, Shawwal 30, 1435, August 26, 2014, SPA -- Three crew members were killed Tuesday when a United Nations cargo helicopter crashed in South Sudan, the UN said according to dpa. One crew member survived and is receiving treatment from Medecins Sans Frontieres (Doctors Without Borders) in the northern town of Bentiu, near the site of the crash. Russian news agency Interfax said the helicopter was operated by a Russian carrier, Utair, and that the four crew were Russians. --SPA 22:03 LOCAL TIME 19:03 GMT www.spa.gov.sa/w