George Alagiah at the site of mass graves
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South Sudan: 'Indiscriminate killing' in Bor

24 February 2014 Last updated at 09:07 GMT

Human rights abuses have been committed by both sides in the South Sudan conflict, according to a UN report that cites mass killings, rape and the targeting of civilians along ethnic lines.

In Bor, whose Dinka tribe-dominated population has been caught up in the conflict, hundreds of bodies lie in mass graves, while many of those who remain flee the country.

George Alagiah reports from Bor.