Key developments on Jan. 24-25: * 80% of Ukraine faces emergency power cuts following Russian aerial attack * 15% of Kyiv residential buildings remain without heat after Russia's attacks, officials say * At least 1 killed, 9 injured in Russian attacks on Ukraine over past day * Orban accuses Ukraine of threats, Hungarian election interference; FM Sybiha rejects accusations, calls him Kremlin ally * Zelensky meets Lithuania's president as country pledges nearly 100 generators for Ukraine am

The number includes 1,020 casualties that Russian forces suffered over the past day.

Russia has lost 1,233,020 troops in Ukraine since the beginning of its full-scale invasion on Feb. 24, 2022, the General Staff of Ukraine's Armed Forces reported on Jan. 24.

Kyiv, home to more than 3 million people, is still reeling from the Jan. 20 attack in which Russia launched 33 missiles and 339 drones against Ukraine.

"(Russian) army will number 2.5-3 million. They want to reach all of this by 2030, and, based on their speed, we see that this is possible," Volodymyr Zelensky said.

The number includes 1,280 casualties that Russian forces suffered over the past day.

"Just last year, here in Davos, I ended my speech by saying Europe needs to know how to defend itself. A year has passed, and nothing has changed," Zelensky said.

Greenland must start preparing for the possibility of a military invasion, even though the scenario remains unlikely, the island's prime minister, Jens-Frederik Nielsen, said.

"Russia plans to have an army of 2 to 2.5 million personnel by 2030. So a European army, while each country keeps its own sovereign forces, must be able to respond. It should be no smaller than 3 million," Volodymyr Zelensky told journalists.

"(Ukraine) needs more missiles, more air defense," Volodymyr Zelensky said, adding that aside from U.S.-produced Patriot PAC-3 missiles used against Russian ballistic missiles — whose numbers have increased significantly — "nothing else works."

Key developments on Jan. 17-18: * Russian attacks kill 5, injure 30 across Ukraine as Moscow again targets energy infrastructure * Russia seeks to disconnect Ukraine's nuclear power plants, HUR says, risking potential meltdown * 'Warmth from Poland' — More than $650,000 raised to buy generators for Kyiv amid energy crisis * Russia welcomes Trump's tariffs on NATO allies over Greenland as 'collapse' of alliance * Ukraine military chief says more arms, sanctions key as 'Coalition of the Will

The number includes 830 casualties that Russian forces suffered over the past day.

Russian forces launched overnight attacks on Jan. 16-17 across Ukraine, hitting energy infrastructure, including substations, in Odesa and Kyiv oblasts, triggering emergency power outages, authorities reported

The delegation consists of the recently appointed President’s Office head Kyrylo Budanov, National Security and Defense Council Secretary Rustem Umerov, and the parliamentary leader of President Volodymyr Zelensky’s Servant of the People party, David Arakhamia.

The number includes 1,130 casualties that Russian forces suffered over the past day.