U.S. officials unveiled new sanctions Tuesday against companies and an individual tied to the Wagner Group, focusing their attention on the Russian mercenary group’s African connections in the wake of its botched mutiny over the weekend.

“The Wagner Group funds its brutal operations in part by exploiting natural resources in countries like the Central African Republic and Mali,” Brian Nelson, undersecretary for terrorism and financial intelligence at the Treasury, said in a news release. “The United States will continue to target the Wagner Group’s revenue streams to degrade its expansion and violence in Africa, Ukraine, and anywhere else.”