Special U.S. envoy Steve Witkoff says Russian leader Vladimir Putin agreed at his summit with President Donald Trump to allow the U.S. and European allies to offer Ukraine a security guarantee resembling NATO’s collective defense mandate as part of an eventual deal to end the 3 1/2-year war.

US President Donald Trump posted on his Truth Social media platform on Sunday that a lot of progress had been made on Russia, just two days after meeting with Russian President Vladimir Putin. "BIG PROGRESS ON RUSSIA,

Ga., accused Ukrainian President Zelenskyy of trying to sabotage peace talks between President Trump and Russian President Putin by launching drone strikes on Russia.

Dmitry Medvedev has traveled a long way from his time as Russian president, when he once stood beside then-US President Barack Obama and declared that “the solution of many world problems depends on the joint will of the United States and Russia.

Former National Security Advisor Susan Rice evaluated President Trump's Friday meeting with Vladimir Putin during an appearance Friday evening on MSNBC. Rice said it was a diplomatic victory for Putin to get such a "warm welcome" from Trump on U.

Vladimir Putin and Donald Trump held a joint news conference following Russia-US talks. President of Russia Vladimir Putin: Mr President, ladies and gentlemen, We held our talks in a constructive and mutually respectful atmosphere, and they have proved substantive and productive.

US President Donald Trump is threatening tariffs on other countries that buy Russian oil, in an attempt to pressure Moscow to end the war in Ukraine. But the United States and Europe themselves are still doing billions of dollars in trade with Russia.

Secretary of State Marco Rubio told ABC's "This Week" that the deadline for negotiations with Russia to end the war in Ukraine is "as soon as possible" and imposing more sanctions on Russia would represent "walking away from any prospect of a negotiated settlement" and "probably just adding six,