The UK government says it is pressing the Trump administration for details of its plan to impose a 20 percent toll on cargo passing through the Strait of Hormuz.

Europe is evaluating non-compulsory navigation fee plans for the strait of Hormuz, contingent on UN maritime agency approval and Iran's assurance of safe shipping passage.

US hasn't discussed Hormuz tolls with allies amid Iran fee tensions. Iran charges fees by August 31 at 48.5% YES.