Trump previously said his personal relationship with Putin would usher in peace for Ukraine. Now, he says Putin's gone "absolutely CRAZY!"

Trump has repeatedly told reporters he will decide what to do in Ukraine in two weeks, but has yet to make a final call.

The U.S. president lashed out at the Kremlin on Tuesday as the White House continued to consider increasing sanctions against Russia.

President Donald Trump on Tuesday accused Russian President Vladimir Putin of “playing with fire,” as Moscow continues battering Ukraine in the face of Trump’s attempts to broker a peace deal to end the war.

As negotiations to end the war in Ukraine stall, the Trump administration is turning to the Middle East to fulfill the president’s vow to be a global peacemaker.

White House special envoy to Ukraine Keith Kellogg argued on Tuesday that President Donald Trump is the “only guy” who can bring peace between Russia and Ukraine, suggesting bringing an end to the war comes down to “negotiation.

The president, who ran on a campaign pledge of ending the war within 24 hours, has failed to move the needle on the three-year war.

U.S. President Donald Trump's envoy to Ukraine, Keith Kellogg, said Russia's concern over the eastward enlargement of NATO was fair and the United States did not want to see Ukraine in the U.S.-led military alliance.