Republican Senator Chuck Grassley of Iowa said in a post on X Friday: "IVE SEEN ENOUGH KILLING OF INNOCENT UKRAINIAN women + children. President Trump pls put the toughest of sanctions on Putin. U ought to c from clear evidence that he is playing America as a patsy."

The US president says he fears the Russian leader is "tapping me along" given Moscow's strikes on Kyiv earlier this week.

In the event of violations by the Ukrainian side, Russia's armed forces would give an "adequate and effective response", the statement said

Russian President Vladimir Putin on Monday declared a unilateral three-day ceasefire in Ukraine next month, a move met with skepticism by Ukrainian officials who demanded the Kremlin leader immediately accept a longer truce proposal from the United States that he has so far rejected.