Three people were killed and seven more wounded Monday in an ambush in eastern DR Congo blamed on a notorious Islamist-rooted militia, local officials said.

Up to 50 people were killed when a cargo train derailed in Congo's southeastern province of Tanganyika in the early hours of Thursday, government officials said, though reports on casualties differed widely.

The second patient infected with the Ebola virus in Congo's major city of Goma has died, almost exactly a year after the start of the epidemic

Congo's health minister, Oly Ilunga, resigned on Monday in protest at the presidency's announcement last week that it was stripping his team of control over the response to the Ebola outbreak.

International Criminal Court judges on Monday convicted former Congolese military leader Bosco Ntaganda for atrocities including murder, rape and conscripting child soldiers.

Police on Sunday dispersed hundreds of anti-government marchers in Kinshasa and a protester was shot dead in the eastern city of Goma

At least 39 artisanal miners were killed on Thursday when part of a copper and cobalt mine owned by Glencore collapsed in southeast Congo, the provincial governor said.

Militants attacked a hospital in eastern Congo on Saturday, the latest in a string of assaults on health facilities in the Ebola-hit region.

The number of Ebola cases in Congo has surpassed 1,000, the health ministry said, as the second-largest outbreak ever of the virus continues to wreak havoc in the central African country.

The Congolese Observatory for Human Rights (OCDH) on Saturday criticised as "lenient" jail terms of up to three years handed out to six police officers accused in the deaths of 13 young men.

Congo's top court confirmed Felix Tshisekedi's contested presidential election win on Sunday, drawing a rebuke from the second-placed candidate who declared himself leader and called for demonstrations.

At least 890 people were killed over three days in mid-December in western Democratic Republic of Congo, the United Nations human rights office said on Wednesday.