Firtash, who has long allied himself with Russian President Vladimir Putin, was arrested amid the political upheaval in Ukraine that has led to Russia’s seizure of the Crimean Peninsula. Prosecutors, though, said the charges were filed under seal last June in Chicago and have nothing to do with recent events in Ukraine.,0,7268136.story?track=rss&utm_source=feedburner&utm_medium=feed&utm_campaign=Feed: chicagotribune/views ( – Most Viewed Stories)