Sanctioned Russian-flagged oil tanker closes in on Cuban port of Matanzas https://www.reuters.com/world/americas/sanctioned-russian-flagged-oil-tanker-closes-cuban-port-matanzas-2026-03-30/?taid=69cb1cb3c62dfa000157c2bc https://www.reuters.com/world/americas/sanctioned-russian-flagged-oil-tanker-closes-cuban-port-matanzas-2026-03-30/?taid=69cb1cb3c62dfa000157c2bc
