In Russia-occupied Crimea, the Moscow-appointed head of the city of Sevastopol, Mikhail Razvozhayev, said that Russian defenses downed four aerial drones attacking the city and sank two uncrewed boats near the shore.

A Ukrainian sea drone has destroyed a Russian helicopter off the coast of Crimea for the first time. Footage of the attack shared by HUR, Kyiv’s military intelligence, showed the drone bobbing on the seas as the aircraft manoeuvred in the skies above. Plumes of water splashed up next to the Magura V5 drone as Russian fire hit the sea around it.

A key oil facility erupted into flames this morning following a suspected drone strike by Ukraine inside Russia. The attack hit a depot in Russia 's Yartsevo district of the Smolensk region, which caught fire overnight on December 31, Russian authorities said.

The Russian official didn’t comment on statements blaming Wednesday’s Azerbaijan Airlines crash on Russian air defenses responding to a Ukrainian attack.

Russia launched an aerial attack on Ukraine on Tuesday, striking the capital and other regions with multiple missiles and drones. Ukraine's air force reported a ballistic missile threat at 3:00 a.m. (0100 GMT),

A key oil facility in Russia has been hit by a suspected drone strike by Ukraine, with the depot in the Yartsevo district of the Smolensk region catching fire overnight.

Russian troops struck Ukrainian cities with missiles. Russia struck Kyiv and Shostka, Sumy region. Read about the Russian attack on Ukraine and its consequences. During the night, the Russians launched several groups of Shaheds toward Ukraine.

Two Ukrainian hockey players killed in Russian missile strike on Zaporizhzhya Andrii Kovalenko, head of the Center for Countering Disinformation, said Russian forces are trying to advance in the Pokrovsk direction and secure islands in Kherson Oblast.