The Russian missiles sought out targets from the Lviv region in western Ukraine near Poland to Kharkiv in northeast Ukraine bordering Russia. The state energy company Ukrenergo reported emergency power outages in six regions. It often shuts down production during attacks as a precaution.

President Volodymyr Zelensky of Ukraine said air defenses had shot down at least 30 missiles from a “massive” barrage that had targeted gas and energy facilities.

Russia's military on Tuesday said it would retaliate against Ukraine after Kyiv attacked Russian regions by firing six U.S.-made ATACMS ballistic missiles, six UK-made Storm Shadow cruise missiles and launching one of the biggest drone attacks to date.

Advisers to President-elect Donald Trump now concede that the Ukraine war will take months or even longer to resolve, a sharp reality check on his biggest foreign policy promise - to strike a peace deal on his first day in the White House.

On the campaign trail last year, candidate Donald Trump, time after time, not only suggested he could swiftly bring an end to Russia’s unlawful war against Ukraine, but at times even insisted he could—and would—do it before being sworn into office.