Prisoners belonging to Muammar Gaddafi's forces who were arrested during recent clashes in the city of Yafran, about 100 km (60 miles) southwest of the Libyan capital, are seen June 6, 2011. Libyan rebels entered the mountain town of Yafran on Monday, driving out Gaddafi's forces in a sign NATO air strikes in the area may be paying off. REUTERS/Youssef Boudlal (LIBYA - Tags: POLITICS CIVIL UNREST CONFLICT)