Eyewitness video shows a fire burning in Russia's Bryansk region following reports of an air attack across the country and drones being destroyed in the region.

The Russian Embassy in London said that Russia posed no threat to undersea cables in Britain and other NATO countries, after UK defence minister John Healey accused Moscow of "malign activity" at sea.

For the past year, Russian forces have been waging an intense campaign to punch holes in Ukraine’s defences in the Donetsk region and weaken Kyiv’s grip on the eastern parts of the country. The sustained and costly offensive has compelled Kyiv to give up a series of towns, villages and hamlets.

Russian forces have retaken 63.2% of the territory captured by Ukraine in the Kursk region of western Russia, the Russian defence ministry said on Friday.

Ukraine fired a large volley of exploding drones at Russia, according to Ukrainian officials and the Russian military, in a barrage that set an

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.

As snow fell in a wooded area of Ukraine, the long-range attack drones accelerated one by one down an unlit, abandoned road and their whirring engines propelled them into the night sky. The unmanned aircraft carrying explosive warheads are part of a Ukrainian campaign of long-range drone attacks that aim to inflict blows on Russia far behind the front line as Moscow's troops advance in the east.

Oleksandr Syrskyi credited Ukraine's attacks on "industrial enterprises" that manufacture ammo, missile parts, and other weapons deep inside Russia.

By Andrew Osborn and Ronald Popeski (Reuters) -Russian air defences repelled a massive Ukrainian drone attack overnight, intercepting and destroying 121 drones targeting 13 regions, including Moscow,

Ukraine launches massive drone attack across Russia - Kyiv says is struck a Russian oil refinery and a microchip factory in attack which Moscow says contained 120 drones

Analysts say the return suggests that Moscow is preparing to evacuate one of its most valuable overseas bases.