Fighting for control of the Democratic Republic of Congo's mineral wealth has killed millions. Trump wants to end it, and potentially reap huge rewards.

A U.S.-Qatar-mediated peace agreement between the Democratic Republic of the Congo and Rwanda was expected to bring an end to a decades-long cross-border conflict in central Africa when it goes into effect next week.

The negotiating teams from the Democratic Republic of Congo and Rwanda have initialled the text of a prospective peace agreement between the two countries, signalling the success of the US-led mediation in ending their long-standing tensions.