Ukraine Strikes Airbase Deep Inside Russia. On Dec. 21, Ukrainian intelligence announced it conducted a major strike on a Russian airbase near

The Ukrainian leader cited progress on security guarantees, even as Russia bombed Ukraine overnight, indicating that the Kremlin is prepared to continue fighting.

A Russian general was killed when a bomb detonated under his car in Moscow and investigators said Ukraine​ could be behind the attack.

Russia attacked Kyiv and Ukraine’s energy infrastructure early on Tuesday, triggering emergency outages and prompting NATO member Poland to scramble jets to protect its airspace, two days after U.S.-led Miami peace talks ended.

Ukraine said a resistance agent was able to sneak into a Russian hangar and destroy two Russian fighter jets.

Ukrainian troops from the 92nd Separate Assault Brigade reported detecting a group of Russian soldiers advancing toward their positions on horseback. Video footage released by the brigade shows the mounted troops being identified and struck by Ukrainian drone operators shortly after detection.

The vessel is part of Russia's so-called "shadow fleet" - unregulated ships that Kyiv says are exporting large quantities of oil despite Western sanctions.

Volodymyr Zelensky said on Tuesday that several draft documents, including on security guarantees, had been prepared after Ukrainian officials held talks in Miami with US counterparts on ending Russia's war.