Ukrainian drone attack in southwestern Russia killed two people as parts of Ukraine went without power after Russian assaults on energy sites hours before peace talks were to restart in Germany.

Ukraine says its forces have attacked a Russian submarine at a port in the Black Sea using an underwater drone. Footage released by Ukraine’s security services shows an explosion at the docks in Novorossiysk, but the Russians say no vessels were damaged. We’ll show the footage to experts to get their take on what happened.

Russia launched a huge attack on Ukraine overnight as the country marked Armed Forces Day on Saturday, Ukraine's air force said.

Long-range drones operated by the Special Operations Centre Alpha of the Security Service of Ukraine (SSU) have struck a third oil rig owned by Russian energy giant Lukoil in the Caspian Sea in recent weeks.

Ukraine's internal security agency said the attack damaged and disabled a Russian Kilo-class submarine in the port city of Novorossiysk.

A top Ukrainian sea-drone commander says more complex attacks on Russian forces are expected next year as Kyiv’s uncrewed fleet continues to restrict the once-dominant Black Sea navy

Ukraine claims it has carried out the first successful combat strike by an underwater drone against a submarine, damaging a Russian Kilo-class boat in the Black Sea port of Novorossiysk and potentially removing a key cruise missile launch platform from the war.

Ukraine has used long-range drones to attack Russian oil platforms as it expands its strikes on the country's energy sector.

Russia launched a "massive" drone attack on Ukraine's central Cherkasy region, injuring six people and triggering a blackout in part of Cherkasy city, the local governor said on Thursday. "A difficult night for our Cherkasy region,