Sudan's security agency accused South Sudan of staging talks with rebels fighting Khartoum's forces in two southern states, with the goal of "extending the war" there, reports said on Monday.
The UK will stay as one of the world largest donors, after Theresa May promised a government under her would commit to the country's 0.7 percent of GDP aid target.
A group of South Sudanese former rebels released 16 UN staff members on Tuesday, after holding them hostage for several hours in a camp in eastern Democratic Republic of Congo.
Explainer: The Organisation for the Prohibition of Chemical Weapons (OPCW) is in a difficult position, with its scientists and experts undertaking a dangerous mission in an ongoing war zone.
Libya's neglected south risks becoming an arena for score-settling between rival governments as their forces clash over the most important airbase in the south.
The UN and relief agencies reiterate calls to plug a shortfall in funding as 'inevitable' humanitarian disasters loom over parts of Africa and the Middle East.
The violence stemmed from an ambush of government troops near the city on Sunday, leading to clashes the following day, the United Nations peacekeeping mission has said.
UN peacekeeping forces have been repeatedly refused access to the scene of fighting between government and rebel troops in South Sudan where fears that a massacre have occurred.
Sudanese social media takes on Egyptian talk shows over the pyramids of Marowe, but is there more to the animosity?
The food insecurity crisis is set to worsen this year with four parts of the developing world, South Sudan, Somalia, Yemen and northeast Nigeria, at risk of famine.