More than 3,000 South Sudanese fled into neighbouring Uganda on Tuesday after government soldiers attacked the border town of Pajok, killing men, women and children indiscriminately, refugees said.
The UN investigators said on Monday they had found more mass graves in the central Kasai region of the Democratic Republic of Congo, where tribal militias are battling security forces.
Congolese police deployed heavily across the capital Kinshasa on Monday as opposition calls for a general strike after a breakdown in talks with President Joseph Kabila's allies last week raised fears of renewed violence.
The Prosecutor at the International Criminal Court (ICC), Fatou Bensouda has said that violent incidents in the Democratic Republic of Congo could constitute war crimes.
An Indian commercial ship has been hijacked by Pirates off the coast of Somalia. A former government anti-piracy official told Reuters on Monday that the vessel is heading towards the shore.