Rwanda and South Africa hope to host an African grand prix for the first time since 1993, but several expensive obstacles stand in their way.

During a news conference about an air collision in Washington, Trump was asked if he had a plan to bring peace in DRC, where a conflict in the east of the country - that Washington, the U.N. and others say involves Rwanda - has escalated.

Many of the millions of people trapped in eastern Congo's escalating rebellion face a terrible choice: Retreat into Congo's interior and seek the protection of a weak army in disarray, or cross into nearby Rwanda,

A conflict that has raged for decades reached a flashpoint this week when rebels backed by Rwanda marched on a key Congolese city in a bid to occupy territory and exploit minerals.

Congolese forces were losing control of the city of Goma on Wednesday after rebel groups backed by Rwanda took over the airport and shared plans to set up a new administration.

Rwanda's ally Uganda, unhappy about another rebel group in DR Congo that threatens its security, has also been accused of helping the M23 - with its officers also spotted at Tchanzu. The UN experts say Uganda has also supplied weapons, hosted rebel leaders and allowed cross-border movements of M23 fighters - accusations Kampala denies.

Vladimir Putin grabbed Donbas, an eastern region of Ukraine, and pretended he had not. As a figleaf he used local separatist forces, which Russia armed, supplied and directed. These forces, he claimed,

Regional tensions spiral as peacekeepers killed in fighting following Rwandan-backed M23 rebel group offensive

Rwandan President Paul Kagame accused his South African counterpart of “lies” and “distortion” over comments about the conflict in eastern Democratic Republic of Congo, ratcheting up tensions between the two leaders amid regional efforts to secure a ceasefire.

Kagame's comments clearly suggested that he wants South Africa to back off from DR Congo, where its military involvement dates back to the late 1990s. It first joined the UN's peacekeeping mission, Monusco, following the end of the racist system of apartheid in 1994.