OFAC designates Gasabo Gold Refinery, its chairman Jean Malic Kalima, general manager Bosco Kayobotsi, and three Rwandan mining companies for alleged support to M23 and the illicit trade in natural resources from eastern DRC. Treasury says the network helped move gold from RDF/M23-controlled areas into Rwanda for refining, reinforcing wider U.S. efforts to disrupt conflict minerals financing and support more transparent regional supply chains…