The father of a Kenyan woman who drowned in a swimming pool in Canada while livestreaming on Facebook has spoken of his family's loss.

A new case of Ebola virus has been confirmed in the city of Beni in eastern Democratic Republic of Congo, the country's National Institute for Biomedical Research (INRB) said on Monday.

Gunmen abducted four Catholic nuns on a highway in Nigeria's oil-producing Imo state in the southeast, a local convent said on Monday, in the latest sign of widespread insecurity making road travel unsafe.