Russia launched a sweeping drone assault and airstrikes across Ukraine early Sunday, killing at least four people, officials said, after U.S. President Donald Trump cast doubt over Russian President Vladimir Putin’s willingness to end the war.

After claiming to have ended Ukraine's incursion into Kursk — with North Korean help — Russia says it is ready to hold peace talks with Kyiv. But President Trump has cast doubt on Putin's remarks and theatened sanctions.

However, Trump is merely the latest American leader to fail in trying to sway Russia and its president to his side, the article’s author noted. After returning to the White House, Trump held at least two phone calls with Putin,