The mercenary group is so deeply enmeshed in the Central African Republic and several other nations that it can’t be easily replaced, experts say.

Botswana, in southern Africa, has partnered with the London-based diamond giant De Beers for decades. Many in the country are pushing to get a better deal from the industry.

A three-judge court of appeals said the African country was not a safe country for migrants seeking asylum. The government is now expected to appeal to the Supreme Court.