South Sudan government retakes oil city, rebels vow to fight on South Sudanese troops on Friday recaptured the key northern oil city of Bentiu, although the leader of the rebels vowed to fight on against the government. A spokesman for President Salva Kiir said the city, one of two state capitals that were in rebel hands, was "now under our control", following days of fierce fighting that has forced tens of thousands to flee the area. Images and soundbites