Russian forces shot down six US-made ATACMS missiles fired by Ukraine over the Bryansk region and eight British Storm Shadow missiles, including two over the Black Sea, over the last 24 hours, Russian state news agencies said, citing the defence ministry.

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

Ukraine has launched a "massive attack" that hit multiple targets in Russia 's Engels, Saratov, Kazan, Bryansk, and Tula, a senior Ukrainian official said. At such a critical moment in US history, we need reporters on the ground. Your donation allows us to keep sending journalists to speak to both sides of the story.

Ukrainian forces used missiles and drones on Tuesday to target sensitive military and energy sites across Russia.

An air-raid warning has been issued across Ukraine on the morning of 15 January due to the threat of missile strikes. Source: map of air-raid warnings; Ukraine's Air Force; monitoring Telegram channels Details: An air-raid warning was issued in all Ukrainian oblasts due to the threat of a missile strike.