Here's a timely Euromaidan Press video with some background info on the Ukrainian Church:
A long Facebook post, but worth a read:
You can read more on Ukraine's infamous parliamentary brawls here. And there's also this photo gallery from October 2017:
Ukrainian Politics: The Greatest Hits
A brawl in Kyiv's parliament on October 6 was just the latest case of Ukraine's politicians opting to bust heads rather than filibuster. A dip into the archives reveals 14 of the (many, many) times when dialogue broke down and fists, eggs, and smoke bombs flew.