Melissa Fleming

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A resident of Ghana displays a piece of paper mentioning his nationality as he waits with other refugees to enter Tunisia after fleeing Libya on the Libya-Tunisia border in Ras Ajdir, Tunisia, Tuesday, March 1 , 2011.U.N. refugee agency spokeswoman Melissa Fleming said Tuesday "the situation is reaching crisis point" at the Libya-Tunisia border where authorities say up to 75,000 people have fled Libya since Feb. 20. (AP Photo/Giorgos Moutafis)