Russian forces sustain heavy casualties and equipment losses.

If Russia's demands were not met through diplomatic efforts, Vladimir Putin warned that Russia would "liberate" what he claimed were its "historical lands" on the battlefield.

Oleksandr Korniyenko was appointed deputy speaker of the parliament in 2021. Since then, the party has been led by lawmaker Olena Shuliak.

Ukrainian forces have regained control over 16 square kilometers (6.2 square miles) in the northern part of Pokrovsk, Commander-in-Chief Oleksandr Syrskyi said on Dec. 17 following his participation in the 32nd Ramstein-format Defense Contact Group meeting.

The U.S. is planning new sanctions on Russia’s energy sector to ramp up pressure on Moscow if President Vladimir Putin rejects a peace deal with Ukraine, Bloomberg reported citing sources familiar with the situation.

The Kyiv Independent’s Martin Fornusek sits down with Denmark’s European Union Affairs Minister Marie Bjerre and Sweden’s European Union Affairs Minister Jessica Rosencrantz to discuss Ukraine’s progress toward EU accession, Hungary’s continued block on opening negotiation clusters, and the impact of Ukraine’s latest major corruption scandal.

Mstyslav Chernov’s "2000 Meters to Andriivka," a documentary chronicling Ukrainian troops’ perilous advance to retake a strategically important village from Russian forces, has been nominated for best documentary feature.

Russia attacked the southeastern city of Zaporizhzhia with KAB bombs the morning of Dec. 17, injuring at least 26 people, including a child, Governor Ivan Fedorov said.

"The lesson will be that European solidarity ends where fear of action begins, even in self-defense,” Iryna Mudra, Zelensky’s top legal advisor, told the Kyiv Independent.

"We would secure a demilitarized zone between the belligerent parties and, to be specific, we would also move against corresponding Russian violations and attacks," German Chancellor Friedrich Merz said.

Explosions rocked an oil refinery in the Russian city of Slavyansk-on-Kuban amid a Ukrainian drone attack overnight on Dec. 17, media reported.

The bill would impose targeted sanctions on anyone dealing in Russian oil, effectively barring them from the U.S. financial system.

Kyiv Mayor Vitalii Klitschko reported at the time of the attack that air defenses were operating in the Obolonskyi district.