Measures come a week after Washington also sanctioned Abdel Fattah al-Burhan’s rival, Mohamed Hamdan Dagalo

The United States has imposed sanctions on Sudan’s army chief, Abdel Fattah al-Burhan, accusing him of choosing war over negotiations to bring an end to the conflict that has killed tens of thousands of people and driven millions from their homes.

The US treasury department said in a statement that under Burhan’s leadership, the army’s war tactics have included indiscriminate bombing of civilian infrastructure, attacks on schools, markets and hospitals, and extrajudicial executions.

Eron Kiiza, who was representing regime opponent Dr Kizza Besigye, was assaulted and sentenced to nine months’ jail, say colleagues

A human rights lawyer involved in a case featuring a prominent Ugandan opposition leader has been tortured after he was arrested and detained without trial, according to colleagues who have visited him.

Eron Kiiza was assaulted and arrested by soldiers on 7 January while entering a military courtroom where he was representing Dr Kizza Besigye – a political opponent of President Yoweri Museveni – and his aide Haji Obeid Lutale.

Future of Diego Garcia military base should be considered before handover to Mauritius signed off, No 10 says

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The UK government will not sign off a deal to hand back the Chagos Islands to Mauritius until Donald Trump’s administration has had a chance to consider the future of the joint military base, Downing Street has confirmed.

Allies of the US president-elect have been critical of the deal because of the implications for the strategically important Diego Garcia base, with concerns that it could bolster Chinese interests in the Indian Ocean.

Healthcare workers among suspected cases of Ebola-like disease as WHO issues warning of high risk to the country and its neighbours

A suspected outbreak of Marburg virus disease (MVD) in Tanzania has killed eight people and poses a high risk to the country and its neighbours, global health leaders have said.

The World Health Organization (WHO) said nine suspected cases of the Ebola-like virus had been reported as of 11 January, in two districts of the Kagera region in the north of the country, including the eight deaths.

Law to stop armed groups profiting from trade in gold, tin, tungsten and tantalum is being breached, rights groups say

The European Union has been urged to clamp down on illegal imports of conflict minerals from the Democratic Republic of the Congo (DRC) after evidence was found that current regulations had been breached.

The advocacy group Global Witness (GW) said there remained a “high risk” of the EU’s mineral imports being used to fund militias and state repression in several countries.

Thirty-six bodies brought to surface amid claims 109 are dead and between 400 and 800 people still alive and trapped

Thirty-six bodies have been brought out of an illegal goldmine in South Africa and 82 people have been taken out alive since Monday, after police blocked supplies of food, water and medicine to the workers underground in October in an attempt to force them out.

On Thursday, a letter brought up to the surface claimed there were 109 dead bodies underground. A video circulated by the NGO Mining Affected Communities United in Action (Macua) appeared to show more than 50 wrapped bodies laid out in a tunnel.