In this photo taken Wednesday, May 11, 2011, Nigerian migrants wait at the detention center in Hal Far, Malta. Reports of migrant boats lost and adrift for days without receiving aid are raising ... more 
In this photo taken Wednesday, May 11, 2011, Nigerian migrants wait at the detention center in Hal Far, Malta. Reports of migrant boats lost and adrift for days without receiving aid are raising alarm. The U.N. refugee agency has called for better monitoring of the seas for the overcrowded boats and more aggressive intervention. less 
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Associated Press | Photo By Lino Azzopardi
Sat, May 14, 2011 9:53 AM EDT