By Dan Peleschuk

LVIV, Ukraine (Reuters) -Ukrainians paid tribute to prominent politician Andriy Parubiy as he was buried on Tuesday after being gunned down in a daytime attack on Saturday, the second assassination in the western city of Lviv in just over a year.

As mourners streamed across cobblestone streets, the motives behind the killing of Parubiy, who played a key role in a pro-democracy uprising in 2014 that ousted a pro-Russian president, and later served as parliament speaker, remained unclear.

Ukrainian police, who have detained the alleged gunman, said on Monday they suspected Russian involvement. Moscow, which has waged a full-scale war in Ukraine since February 2022, has not commented on that claim.

In courtroom footage broadcast on television on Tuesday, the alleged assas

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