Zelenskiy's Servant of the People party, named after the TV comedy where he played a fictional president, has consistently led the opinion polls for the parliamentary vote but might fall short of a majority.
A Boeing 777 passenger jet was destroyed above a Ukraine conflict zone in 2014, with all 298 people on board losing their lives. International investigators blame pro-Russia rebels, and have started naming suspects.
Russia's move is an early test for the Ukrainian president-elect, Volodymyr Zelenskiy, who won a landslide victory in Sunday's presidential election and has pledged to find a peaceful solution to the conflict.
Zelenskiy's unorthodox campaign traded on the character he plays in the TV show, a scrupulously honest schoolteacher who becomes president by accident after an expletive-ridden rant about corruption goes viral.
``Russia has grand designs of dominating Europe and reasserting its influence on the world stage. Vladimir Putin seeks to splinter the NATO alliance, weaken the United States and disrupt Western democracies,'' Jens Stoltenberg said.
"@SushmaSwaraj @narendramodi Please help find Mr. Anuj Goel, Indian national. We have been in a lot of stress as he was kidnapped from outside his residence 4 days ago in Ukraine," the tweet seeking help said.