The legislation -- often referred to as the Sanctioning Russia Act, co-authored by Graham along with Democratic Senator Richard Blumenthal, would give Trump the authority to impose a tariff of up to 500 per cent on imports from countries doing business with Russia's energy sector.

Three people were killed and five injured when Ukrainian drones hit areas around the Russian capital overnight. The governor of the Moscow region, Andrei Vorobyov, claimed air defense units downed 81 drones over the city during the night,