Displaced families in South Sudan
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UN 'outrage' at Sudan bombing

12 May 2012 Last updated at 15:14 BST

The United Nations human rights chief Navi Pillay has said the bombing of territory in South Sudan despite a UN resolution demanding an end to hostilities is an outrage.

She also called for a human rights monitoring mechanism in the border regions.

Aid agencies have warned of a deteriorating situation along the border and an increase in the number of people fleeing the bombings.

Mike Wooldridge reports.