Migrant workers who recently fled from the internal conflict in Libya, stand behind a fire in a refugee camp at the Tunisia-Libyan border, in Ras Ajdir, Tunisia, Saturday, March 12, 2011. The man, ... more 
Migrant workers who recently fled from the internal conflict in Libya, stand behind a fire in a refugee camp at the Tunisia-Libyan border, in Ras Ajdir, Tunisia, Saturday, March 12, 2011. The man, right, holds a placard, reading in French: 'Mali, we want to go home'. More than 250,000 migrant workers are thought to have left Libya for neighboring countries, primarily Tunisia and Egypt, in the past three weeks. less 
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Associated Press | Photo By Lefteris Pitarakis
Tue, Mar 15, 2011 1:38 PM EDT