In this photo taken Tuesday, May 24, 2011 and released May 25 by the United Nations Mission in Sudan (UNMIS), the first of 125 Indian soldiers serving with the international peacekeeping force arrive ... more 
In this photo taken Tuesday, May 24, 2011 and released May 25 by the United Nations Mission in Sudan (UNMIS), the first of 125 Indian soldiers serving with the international peacekeeping force arrive in Abyei, Sudan. Gunmen from an Arab tribe fired on four U.N. helicopters taking off from Abyei, a disputed north-south Sudan border town, an official said Wednesday, May 25, 2011, while Sudan's president gave northern troops a "green light" to attack southern forces if provoked. less 
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Associated Press | Photo By UNMIS, Stuart Price
Wed, May 25, 2011 7:26 AM EDT