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South Sudan: UN warns up to 24,000 women at risk of rape

10 June 2014 Last updated at 00:35 BST

The actress Angelina Jolie will join the Foreign Secretary, William Hague in on Tuesday to chair the first global summit aimed at preventing rape and sexual violence being used as a tactic of war.

There has been a sharp rise in the number of sexual assaults in South Sudan, since fighting between two ethnic tribes, the Dinka and the Nuer, erupted in December.

The UN says up to 24,000 women there are at risk.

Africa correspondent Karen Allen reports.

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