U.S. special envoy for Ukraine and Russia Keith Kellogg discusses the ongoing cease-fire negotiations between Ukraine and 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.

President Donald Trump said he’s holding off on new sanctions against Russia in order to preserve the chance for a deal with President Vladimir Putin to end the war in Ukraine.

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

Vladimir Medinsky, the head of Russia's delegation at peace talks on Ukraine, said on Wednesday he had sent proposals to Ukraine with a date and venue to exchange memorandums, or conditions, to stop the fighting.

Ukrainian President Volodymyr Zelensky believed President Donald Trump was ready to impose sanctions on Russia after the two world leaders met at the Vatican last month, according to remarks released Wednesday.

A top aide to Russian President Vladimir Putin suggested that President Donald Trump "is not getting enough information" about Moscow's war on Ukraine, after Trump criticized Putin for his apparent reluctance to pursue a peace deal and warned that the Kremlin was "playing with fire.

Ex-Russian president Dmitry Medvedev raised the specter of World War III as the rhetoric between the White House and the Kremlin ramped up over the Ukraine war.