General Staff: Russia has lost 105,960 troops in Ukraine since Feb. 24

Kyiv and Washington made "real progress" toward peace in Ukraine during two-day talks in Berlin, top security official and negotiator Rustem Umerov said on Dec. 15.

For the first time, Ukrainian underwater drones have successfully attacked a Russian submarine, Ukraine’s Security Service (SBU) reported on Dec. 15.

Nadya Tolokonnikova, a co-founder of the group, said the verdict aims "to erase Pussy Riot's very existence from the Russian consciousness."

A KIIS poll found 75% of Ukrainians rejected a Donbas pullback plan without security guarantees, while most supported freezing the front line with strong protections.

Ukraine’s Security Service said its long-range drones struck Russian offshore oil platforms in the Caspian Sea for the third time in a week, halting operations at one site.

Less than one-tenth of Ukrainians support holding immediate elections, even in the absence of a ceasefire with Russia, according to a recent poll.

A thermal power plant in Belgorod, known as "Luch", was damaged during a wave of drone attacks on Russian territory overnight on Dec. 15, Astra reported, citing local residents.

Polish Defense Minister Wladyslaw Kosiniak-Kamysz floated the idea of transferring Warsaw's remaining Soviet-designed MiG-29s to Kyiv in exchange for Ukraine's drone and anti-drone technology.

The International Chess Federation's (FIDE) General Assembly on Dec. 14 allowed teams from Russia and Belarus to participate in international tournaments and permitted youth chess players to compete under national symbols.

Russian air defense units have shot down at least 15 unmanned aerial vehicles (UAVs) en route to Moscow, Mayor Sergey Sobyanin said.

The attack caused "serious damage" to an unspecified facility, Governor Vyacheslav Gladkov said. Local Telegram channels reported explosions at a key thermal power plant.

Alexander Kleytman, a Holocaust survivor who immigrated to Australia from Ukraine with his wife Larisa, was one of 16 killed in a terrorist attack targeting the Jewish community in Sydney.