KHARTOUM, May 25 (Reuters) - Four U.N. helicopters were been shot at, probably by militias allied to north Sudan, in the disputed central region in Abyei but the crews landed safely, a U.N. spokeswoman said on Wednesday.
A total of 14 rounds were fired when the helicopters took off on Tuesday, U.N. spokeswoman Hua Jiang said.
North Sudan had seized Abyei on the weekend, forcing thousands to flee.
(Reporting by Jeremy Clarke and Ulf Laessing)
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