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Convoy under attack in South Sudan battle

5 January 2014 Last updated at 22:59 GMT

As the South Sudan peace talks continue to make little headway, there is a fierce battle to take the strategic town of Bor.

An army general was killed in the fighting, while bodies and burnt out tanks have been seen along the road to the town.

The BBC's Alastair Leithead and cameraman Jack Garland were with troops advancing to the front line just outside Bor.

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