Russia unleashed a barrage of missiles, drones and bombs across Ukraine early Saturday, killing five people in a major attack that the mayor of Kharkiv, Ukraine's second largest city, described as unprecedented.

Russia peace negotiations got underway in Turkey on Monday in an effort to find a way forward in ending more than three years of war triggered by Russia's full-scale invasion of its neighbor.

Russia also urged the United States and Britain to restrain Kyiv after the attacks, which Ukrainian officials have lauded as showing Kyiv can still fight back after more than three years of war. British and U.