TANZANIA: The country’s presidential election teetered toward chaos today as protests erupted, the military was deployed, internet service was cut and a curfew was announced in the commercial capital Dar es Salaam.

Critics of President Samia Suluhu Hassan, who is seeking a second term and the Chama Cha Mapinduzi party, which has ruled since independence in 1961, took to the streets in protest against the harassment of opposition leaders.

Main opposition Chadema party leader Tundu Lissu is in prison on treason charges after calling for electoral reforms, while the candidate of the second-largest opposition party has been barred from standing.

SUDAN: The paramilitary Rapid Support Forces have killed hundreds of people after seizing the city of el-Fasher in western Darfur region at the weekend, according to the United Nations, displaced residents and aid workers.

World Health Organisation director-general Tedros Adhanom Ghebreyesus said 460 patients and companions had reportedly been killed at Saudi Maternity Hospital in el-Fasher, the provincial capital of North Darfur.

VIETNAM: Flooding hit the centre of the country this week after record-breaking rains, leaving at least 10 people dead and five missing, officials said.

Six deaths and four missing people were reported in the coastal city of Danang. Nineteen others were injured and homes, crops and thousands of livestock were washed away.

RUSSIA: A successful test of a new atomic-powered and nuclear-capable underwater drone was announced today by President Vladimir Putin, who declared the new weapon can’t be intercepted.

Mr Putin told a gathering of soldiers wounded in Ukraine that the Poseidon drone was unmatched in speed and depth.