The U.S. has seized the Russian-flagged oil tanker 'Marinera' and the Panamanian-flagged 'M-SOFIA,' linked to Venezuela, escalating tensions with Russia. U.S. Secretary of Defense Pete Hegseth confirmed the military's readiness to continue enforcement actions. Secretary of State Marco Rubio detailed a strategy for market access for Western companies, while a U.S. Congress bill proposes significant tariffs on nations buying Russian oil.