Medvedev visits Russian-occupied Luhansk Oblast, holds security meeting.

"They are trying to kill us with hunger and cold," one Kyiv resident told the Kyiv Independent.

After spotting "objects resembling balloons" on radar, Polish military and security forces quickly intercepted them and detained individuals suspected of involvement, the Polish military said.

Russia struck a coal mine operated by Ukraine's biggest private energy firm, DTEK, in Dnipropetrovsk Oblast for the second time over the past day, the company said on Feb. 2.

"Without Russian oil and gas, our energy security cannot be guaranteed, nor can low energy costs be maintained for Hungarian families," Hungarian Foreign Minister Peter Szijjarto said.

The Ukrainian government approved a resolution on Feb. 2 mandating the registration of Starlink terminals to prevent their use by Russian forces, Defense Minister Mykhailo Fedorov announced.

Reuters reported in December that Hyundai was unable to use the buyback option due to the ongoing war in Ukraine.

Ukraine, the U.S., and Russia are set to meet in Abu Dhabi on Feb. 4-5 for a new round of talks as part of ongoing efforts to negotiate a peace deal, President Volodymyr Zelensky said on Feb. 1.

"There were moments when there was a serious shortage of these missiles. I won't reveal any secrets. For example, there is a NASAMS system, but instead of six missiles in the launcher, there are only two," Yurii Ihnat, head of the Air Force's communications department, said.

Some 43% of Ukrainians do not believe that the war with Russia will end in 2026, up 14% from December, according to a poll by the Kyiv International Institute of Sociology (KIIS).

Explosions were reported overnight Feb. 2 in Russia's Belgorod region, where officials said an alleged Ukrainian drone attack sparked a fire in the city of Stary Oskol.

Russia launched a mass attack, targeting mines of DTEK, Ukraine's biggest private energy firm, the company said. One of the strikes hit a service bus in the town of Ternivka, which was transporting miners after their shift.

"Whether there are strikes or not, hundreds of buildings in Kyiv are still without heating. This means that the work being done in the city is not enough."