Dmitri N. Kozak had worked with President Vladimir V. Putin for three decades before quitting in September. His associates described his break with the Russian leader.

EUROPE’S leaders are poised to deliver a historic blow to Russia – if they can agree a way to use €200 billion of Kremlin loot to bolster Ukraine’s war chest. The leaders, who Vladimir

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.

Russian President Vladimir Putin declares Russia's Ukraine war goals will be achieved through negotiations or military force as diplomatic efforts.

Russian president vows to liberate ‘historic lands’ in hardline speech, showing no signs of compromise on invasion goals

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

As peace talks continue in Berlin, what - if anything - could potentially change Putin's mind? And could Europe do anything differently?