Sergei Galkin has spent that time languishing in a detention center for Russian prisoners of war, the only still-captive member of an eight-person unit that crossed into Ukraine in the first days of the invasion.

The 11th attack this year on Ukraine's energy infrastructure comes amid uncertainty about how President-elect Donald Trump might deal with the conflict.

Russia’s widespread overnight attack targeting critical energy infrastructure facilities in Ukraine was a response to strikes on Russian territory using US-made ATACMS missiles, President Vladimir Putin said Thursday.

Russian forces launched more than 180 drones and missiles at Ukraine, successfully hitting 12 sites of fuel and energy infrastructure, according to the Air Force. Energy Minister Herman Halushchenko said that Russia struck a "massive blow" at Ukraine's power grid. Emergency blackouts were introduced in multiple regions across Ukraine.

Vladimir Putin has threatened to target Kyiv's 'decision-making centres' with a new ballistic missile in response to Ukraine using long-range missiles on Russian territory.

Ukraine is reportedly seriously considering launching another offensive on Russian soil, following the success of its operation in the Kursk region last summer. Since August, Ukrainian forces have maintained control over a portion of the border oblast between the two warring nations.

Energy Minister Herman Halushchenko said that Russia struck a "massive blow" at the nation's power grid, with attacks on energy infrastructure occurring throughout the country.