Intense battle for South Sudan city of Bentiu
5 May 2014 Last updated at 21:37 BST
South Sudan troops attempting to recapture the oil rich town of Bentiu from rebels have been forced back amid heavy gunfire.
Government troops advanced towards the town centre over the weekend with an armoured column.
The BBC's Alastair Leithead, who is in the UN compound on the outskirts of Bentiu, witnessed the battle as the soldiers retreated.