As the fourth anniversary of Russia’s full-scale invasion of Ukraine approaches, cities across the United States are preparing to mark the moment with a wide range of commemorative events between February 21 and 24th.

Key developments on Feb. 10 * Russia threatens families of Ukrainian POWs to register Starlink terminals, Ukraine says; * More arms purchases for Ukraine under NATO-led PURL initiative on the way; *

The shooting is the latest in a spate of attacks on senior military figures inside Russia, many of which have been blamed on Ukraine.

These are the key developments from day 1,449 of Russia’s war on Ukraine.

Ukrainian President Volodymyr Zelenskyy said on Wednesday that Russia is yet to respond to a U.S.-backed energy truce, as the two combatants continue to exchange long-range drone and missile strikes amid American-led peace talks.

U.S., Russian and Ukrainian negotiators are back around a table for a second round of technical talks, but in Kyiv, Russian bombs bring suffering and skepticism.

Russia continues to target Ukraine's power grid with winter strikes, leaving thousands without heat as freezing temperatures grip the country.

The U.S. has given Ukraine and Russia a June deadline to reach a peace deal, according to President Volodymyr Zelenskyy.