African migrant workers whom rebels had suspected of being Gadhafi mercenaries seen released outside the military base in Tripoli, LIbya, Sunday, Aug. 28, 2011. Hundreds of migrant workers remain stranded in Libya after six months of war, unable to flee the country. (AP Photo/Sergey Ponomarev)

Associated Press
African migrant workers whom rebels had suspected of being Gadhafi mercenaries seen released outside the military base in Tripoli, LIbya, Sunday, Aug. 28, 2011. Hundreds of migrant workers remain stranded in Libya after six months of war, unable to flee the country. (AP Photo/Sergey Ponomarev)
African migrant workers whom rebels had suspected of being Gadhafi mercenaries seen released outside the military base in Tripoli, LIbya, Sunday, Aug. 28, 2011. Hundreds of migrant workers remain stranded in Libya after six months of war, unable to flee the country. (AP Photo/Sergey Ponomarev)
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