Russian energy giant Gazprom said on Tuesday it had put a business centre near Moscow that housed its offices up for sale for a starting price of 10.34 billion roubles ($129 million).

Sumy borders Russia’s Kursk region, where a surprise Ukrainian incursion last year captured a pocket of land in the first occupation of Russian territory since World War II. The long border is vulnerable to Ukrainian incursions, Putin said, and creating a buffer zone could help Russia prevent further cross-border attacks there.

Advances follow some of the biggest Russian drone and missile attacks of the war, although their intensity fell off overnight

Russian energy minister Anton Rubtsov told state media about how current taxation on Russian oil hurts production.

Russia and Ukraine swapped hundreds more prisoners on Sunday, the Russian defense ministry said. The announcement came hours after a massive Russian drone-and-missile attack targeted Ukraine.

Russia and Ukraine swapped hundreds of prisoners Sunday just hours after Moscow launched one of the largest aerial assaults on Ukraine in the ongoing war.

Thousands of troops are taking part in military drills in northern Finland, close to the alliance's border with Russia.

Snaking power lines are part of Moscow’s goal to harness the power of the Zaporizhzhia facility, according to Greenpeace.

The American president said he's "not happy" with his Russian counterpart, but he's said this before — and the rhetoric usually amounts to nothing.

Of the more than 5,000 POWs Russia has repatriated to Ukraine, at least 206 died in captivity, including more than 50 when an explosion ripped through a Russian-controlled prison barracks, according to the Ukrainian government. An additional 245 Ukrainian POWs were killed by Russian soldiers on the battlefield, according to Ukrainian prosecutors.

Russia's defence ministry said on Tuesday that Ukraine, backed by certain European countries, had taken several 'provocative steps' aimed at derailing Moscow-initiated direct peace talks with Kyiv.