U.S. President Donald Trump's August summit with Russian President Vladimir Putin in Anchorage, Alaska, is looming large as the White House presses its latest effort to secure a peace deal ending Moscow's full-scale invasion of neighboring Ukraine.

The head of Britain’s MI6 spy agency says Russian President Vladimir Putin is stalling efforts to end Russia’s war on Ukraine, and is testing the West with tactics that fall “just below the threshold of war.

A draft peace plan discussed with the U.S. during talks in Berlin on Monday is “not perfect” but is “very workable,” the Ukrainian president told reporters.

The latest proposal is designed to deter future Russian aggression. But Russia is not part of the talks and has shown little willingness to negotiate.

Russian President Vladimir Putin has claimed without evidence that Russian forces have taken control of Ukrainian cities Pokrovsk and Vovchansk.

Donald Trump's son-in-law Jared Kushner and envoy Steve Witkoff will meet with Russian leader Vladimir Putin in Moscow on Tuesday for high-stakes talks on ending the war in Ukraine.The meeting -- preceded by days of frenzied diplomacy from Florida to Geneva to Abu Dhabi -- comes as Washington said it was "very optimistic" about ending Europe's bloodiest conflict since World War II.

Vladimir Putin says Russia needs to discuss President Trump's Ukraine peace proposal seriously as U.S. envoy Steve Witkoff prepares to visit Moscow.

Officials say Trump has offered 'platinum standard' security guarantees but Moscow is expected to reject terms