Russian oil tanker begins discharging cargo in Cuba's Matanzas terminal https://www.reuters.com/business/energy/russian-oil-tanker-enters-anchorage-cubas-matanzas-port-ship-data-says-2026-03-31/?taid=69cd4363061e480001087b3c https://www.reuters.com/business/energy/russian-oil-tanker-enters-anchorage-cubas-matanzas-port-ship-data-says-2026-03-31/?taid=69cd4363061e480001087b3c
