MBABANE (Reuters) - Police in eSwatini arrested the head of the southern African country's largest opposition party and several other politicians and activists in raids on their houses on Friday, their parties said.

BANGUI (Reuters) - Four workers for Medecins Sans Frontieres (Doctors Without Borders) have been detained in Central African Republic for nearly a week following a raid by security forces on an MSF hospital in the capital Bangui, the aid group said on Friday.

GENEVA (Reuters) - Health officials in eastern Congo have documented the first relapse in the current Ebola epidemic, the World Health Organization said on Friday.

JOHANNESBURG (Reuters) - Water downstream of a Rio Tinto mine in southern Madagascar contains high concentrations of uranium and lead, potentially endangering local residents who depend on a nearby lake and river for drinking water, a study released on Friday found.

JOHANNESBURG (Reuters) - A security contractor was killed in an attack on a plant in South African miner Harmony Gold's Kalgold operation about 330 km from Johannesburg, the mining company said on Friday.

ADDIS ABABA (Reuters) - Ethiopia launched its first satellite into space on Friday, as more sub-Saharan African nations strive to develop space programs to advance their development goals and encourage scientific innovation.

KHARTOUM (Reuters) - Hundreds of thousands of people marched in cities across Sudan on Thursday to celebrate the first anniversary of the start of the uprising that toppled long-time ruler Omar al-Bashir and demand justice for people killed in protests.

ABUJA (Reuters) - Nigeria's former attorney general was detained by the country's financial crimes agency upon his return home on Thursday, the commission said in a statement, as part of an investigation into one of the oil industry's biggest suspected corruption scandals.

CONAKRY (Reuters) - Guinea President Alpha Conde said on Thursday that he would seek a public referendum on a new constitution, a move his opponents fear he will use as a pretext to hang onto power beyond the end of his constitutional mandate.

ADDIS ABABA (Reuters) - Ethiopia launched its first satellite into space on Friday, as more sub-Saharan African nations strive to develop space programs to advance their development goals and encourage scientific innovation.