'Ukraine will never be a victory for Russia - never:' Joe Biden

US President Joe Biden on Tuesday said wartorn Ukraine would "never be a victory for Russia" as he delivered a speech in Poland ahead of the first anniversary of Russia's invasion.

"A dictator bent on rebuilding an empire will never be able to ease the people's love of liberty, brutality will never grind down the will of the free. Ukraine will never be a victory for Russia -- never," Biden told a crowd gathered outside the Royal Castle in Warsaw.