Mealey's ( April 27, 2026, 10:19 AM EDT) -- WASHINGTON, D.C. — The U.S. Supreme Court on April 27 denied two Mauritian mining investors’ petition for a writ of certiorari seeking review of an alleged split between the District of Columbia Circuit U.S. Court of Appeals and another circuit court over the “implied waiver” exception to sovereign immunity, in a case in which the D.C. Circuit found no jurisdiction over the investors’ attempt to enforce a $50 million award against Zimbabwe and its mining regulators....