Pro-Russian Separatists Attack Ukrainian Rally in DonetskPro-Russia militants wielding baseball bats, iron bars and knives attacked a rally for Ukrainian national unity in Donetsk on Monday.A pro-Russian protester walks in front of riot police during a pro-Ukraine rally in the eastern city of Donetsk on April 28.MARKO DJURICA / ReutersPrintApril 28, 2014, 10:45 PM UTC