The U.S. Treasury has approved a license for Australian company Tamboran to acquire Ireland-based Falcon Oil & Gas, which is part owned by sanctioned Russian oligarch Viktor Vekselberg https://newstracs.com/us-treasury-approved-license-for-australian-company-tamboran-to-acquire-ireland-based-falcon-oil-gas-part-owned-by-sanctioned-russian-oligarch-viktor-vekselberg/2026/05/26/