UN peacekeepers in South Sudan say they have twice been prevented from accessing the town of Pajok, where the army is accused of killing civilians. Read more
The peacekeepers say they are concerned about reports of fighting and attacks on civilians. They are calling to be allowed to visit the area in the south of the country.
Several thousand people have fled Pajok into neighbouring Uganda.
The army has denied targeting civilians and blamed the killings on bandits.
Some of the refugees said government troops shot their relatives as they ran, or arrested and then killed them.
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