A South Sudan army soldier holds his weapon in Bor
A South Sudan army soldier holds his weapon in Bor, 180 km (108 miles) northwest from capital Juba December 25, 2013. South Sudanese troops have retaken the flashpoint town of Bor in Jonglei state, a week after the town fell to rebels loyal to rebel leader Riek Machar. REUTERS/James Akena (SOUTH SUDAN - Tags: POLITICS CIVIL UNREST MILITARY)