Russian forces have advanced on several fronts recently. President Vladimir V. Putin signaled after talks with U.S. officials that he was not budging from demands.

Russian President Vladimir Putin's five-hour talks with Trump envoys yield no Ukraine war breakthrough as territorial disputes remain unresolved despite "constructive" discussions.

Talks between Russian President Vladimir Putin and U.S. envoys on Tuesday yielded no public breakthrough on a potential Ukraine peace deal, with Kremlin aide Yuri Ushakov suggesting unsolved "territorial problems" were the main stumbling block.

Col. Gen. Vladimir Chirkin said Moscow's leadership was "unprepared" and misled into thinking 70% of Ukrainians supported Russia.

Russia launched its largest barrage of drones and missiles in a month across Ukraine, killing at least three people, Ukrainian President Volodymyr Zelensky said Saturday, as a Kyiv delegation heads to the United States for fresh peace talks.

In a disused warehouse at an undisclosed location in Ukraine, a military drone instructor who goes by the call sign "DC" showed CBS News a makeshift practice course that students must learn to fly the increasingly indispensable devices through before they join the country's defense against Russia.

President Vladimir Putin said in an interview published on Thursday that Russia would take full control of Ukraine's Donbas region by force unless Ukrainian forces withdraw — something Kyiv has flatly rejected.

The European Union has unveiled a plan to use frozen Russian assets to support Ukraine over the next two years.

After a number of drone sightings near European airports and military bases, mysterious aircraft were seen over Ireland as Ukraine's Zelenskyy visited.