Oxfam's Grace Cahill at a temporary water treatment plant in South Sudan
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South Sudan: Aid agencies make plea for improved access

14 January 2014 Last updated at 11:45 GMT

Aid agencies are calling on all sides in the South Sudan crisis to give them better access to the thousands of people in need of aid.

Some 355,000 people have been displaced by the fighting between the South Sudanese government and rebel forces, according to the UN.

Andrew Harding spoke to Grace Cahill from Oxfam about the challenge of reaching all those in need of assistance.