Russian President Vladimir Putin has ratcheted up tensions with Europe, warning that if the bloc starts a war with Russia, Moscow is ready.

U.S. special envoy Steve Witkoff meets with Russian President Vladimir Putin in Moscow to bring a peace plan to end the nearly four-year war with Ukraine.

We're starting live coverage with President Trump's special envoy Steve Witkoff due to meet President Putin in Moscow for talks on ending the war in Ukraine. Trump's son-in-law Jared Kushner, who has acted as an outside adviser in diplomatic talks, is also expected to attend the meeting.

Russia launched its largest barrage of drones and missiles in a month across Ukraine, killing at least three people, Ukrainian President Volodymyr Zelensky said Saturday, as a Kyiv delegation heads to the United States for fresh peace talks.

Putin also claimed that Zelensky’s European allies have pushed for demands that are “absolutely unacceptable."

President Trump's son-in-law, Jared Kushner, and special envoy Steve Witkoff are meeting with Russian President Vladimir Putin Tuesday to discuss the war in Ukraine.

Ukrainian officials met with U.S. President Donald Trump’s representatives Sunday, and Washington officials are expected in Moscow for more peace talks this week

Kyiv accuses Ross David Cutmore of helping Moscow plot assassinations and attacks on military training centres

Michael Froman, Council on Foreign Relations president, joins 'Squawk Box' to discuss the meeting between a U.S. delegation led by special envoy Steve Witkoff and Russian President Vladimir Putin, state of the Russia-Ukraine war,