Ukrainian leader Volodymyr Zelensky hailed his country's "resistance" and "heroism" on Monday on the third anniversary of Russia's invasion as European leaders arrived in Kyiv in a show of solidarity.

Russian President Vladimir Putin's decision to launch what he called a "special military operation" set off the biggest conflict in Europe since World War II.

Tens of thousands of soldiers -- from both sides -- and Ukrainian civilians have been killed, cities across the country's south and east have been flattened and millions forced to flee their homes.

But three years after the West rallied behind Ukraine and Zelensky, Trump's return to the White House has threatened to upend that coalition of support and has brought vital military and financial aid into question at a critical juncture in the war.

Russian troops are still advancing across the east and Moscow has been emboldened by Trump's diplomatic outreach and his scepticism over long-term support for Kyiv.

Zelensky on Monday hailed "three years of resistance. Three years of gratitude. Three years of absolute heroism of Ukrainians,"........

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