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South Sudan rivals sign ceasefire agreement

23 January 2014 Last updated at 22:51 GMT

South Sudan's government and rebels have signed a ceasefire agreement after talks in the Ethiopian capital Addis Ababa.

Thousands of people have been killed since fighting broke out last month between rival factions of South Sudan's army.

More than 500,000 people have been forced from their homes during the month-long conflict.

Mark Lowen reports from Lankien.