A BBC investigation has found evidence that Sudanese paramilitary fighters systematically destroyed el-Fasher's healthcare system during their long siege and subsequent takeover of the city in Darfur a year ago.
UN human rights chief Volker Türk called the findings "deeply disturbing".
Under international law it is illegal to attack health facilities or their staff during conflict.
The health minister of the group's civilian-affiliated government, Dr Alaa Eldin Nugud, dismissed the allegations as propaganda.
The BBC's Africa correspondent Barbara Plett Usher speaks to two doctors who support the claims of systemic targeting of hospitals.
Read more about BBC's investigation into the systemic targeting of hospitals by paramilitary fighters.
Seven rebel groups from across Ethiopia have announced a new alliance against Prime Minister Abiy Ahmed's government.
Ghana correspondent Thomas Naadi reports from Black Star Square in Accra.
Ana Candia Evora, the mother of Cape Verde's goalkeeper Vozinha, is finally heading to the US to see her son play.
YouTuber Ruhi Çenet was on board the ship, and filmed the announcement made on 12 April.
The BBC explains what experts have to say about the infection risks associated with cruise ships.
Three people have died from a suspected outbreak of the illness that is usually carried by rodents.
Emily and Simion Sawe share their pride at the runner's historic sub-two-hour marathon win.
DR Congo are back at the World Cup for the first time since 1974, with fans in Kinshasa celebrating the team's 1-0 play-off win over Jamaica.
Lava from the Piton de la Fournaise volcano reached the Indian ocean for the first time in 19 years.
Ramadan and Lent haven't overlapped since 1993 and couples like Olanrewaju and Kaosara in Nigeria are observing them together.
Ethiopia unveils its first unmanned, 'smart' police station where citizens can report crimes on automated touch screens.
Senegalese fans celebrate their team's victory at the Africa Cup of Nations.
President Yoweri Museveni is in a commanding lead ahead of his main challenger, pop star-turned-politician Bobi Wine.
Ongoing floods in the north-eastern provinces of South Africa has led to the closure of the world-famous Kruger National Park.
According to reports, the boat had suffered motor failure before drifting to the edge of the dam.
The Kenyan marathoner has all the running accolades he needs but is now focusing on new goals.
Residents of the main city express shock after soldiers tried to overthrow the president.
A growing number of women in South Africa are learning to use guns to protect themselves against gender-based violence.
Fighters from the paramilitary Rapid Support Forces (RSF) have executed a number of unarmed people after capturing the Sudanese city of el-Fasher, new videos analysed by BBC Verify show.
Entrepreneur Talifhani Banks has bought a modern delivery system to smaller firms in South Africa.