Ukrainian President Volodymyr Zelenskyy rejects Russian President Vladimir Putin's demands to cede the Donbas region, citing sovereignty concerns and the area's economic and strategic importance.

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Why is Donbas so critical to Russia and Ukraine? This mineral-rich, industrial region has become the epicenter of one of the most devastating conflicts in modern history. From Soviet-era tensions to Putin’s 2014-backed separatist uprising,

A decade ago, Donetsk was the metropolis of Ukraine's east. Now, Russian President Vladimir Putin reportedly has it squarely in his sights.

In a TV interview, the U.S. president suggested European nations would have troops on the ground in Ukraine, while the United States would support them in other ways.