Russian President Vladimir Putin is stalling over a ceasefire. Meanwhile, Trump has changed his mind about sending weapons to Ukraine.

U.S. Energy Secretary Chris Wright said on Fox News on Tuesday that sanctioning Russian oil to end the Ukraine war is a "very real possibility."

Russia has advanced around Pokrovsk for many months, but has so far failed to entirely encircle or seize control of the city.

Moscow on Tuesday once again downplayed expectations for a third round of peace talks with Ukraine and did not confirm the date for a meeting in Istanbul set for Wednesday by Ukraine. Moscow's delegation at the last round of talks with Ukraine was led by a hawkish historian and the current head of the Russian Union of Writers,

Russia attacked Ukraine with missiles and hundreds of drones overnight, killing two people, wounding 15 and causing damage and fires in several parts of the country, Ukrainian President Volodymyr Zelenskiy said.

Fighter jets from NATO nations Poland and Sweden responded to a "massive" Russian aerial assault on Ukraine overnight, the Polish military said.

Russia now controls more than two-thirds of Ukraine’s Donetsk region — the main theater of the ground war. Russian forces have carved out a 10-mile-deep pocket around the Ukrainian troops defending the crucial city of Kostiantynivka, partly surrounding them from the east, south and west.

Putin’s refusal to compromise on Ukraine, say analysts, is a colossal error costing Russia regional influence, lucrative energy markets and its place in the world.