Elsewhere in Odessa , hundreds of pro-Ukrainian supporters marched to a trade union building where a fire had previously broken out . Regional prosecutor 's office denies involvement in decision to release detainees . Odessa releases Forty-six people detained after Friday violent protests . Police headquarters stormed by pro-Russian forces in Odessa as Ukraine 's PM visited city . 67 people died in clashes , blaze in Ukraine on Friday .
Regional prosecutor 's office denies involvement in decision to release detainees . Odessa releases Forty-six people detained after Friday violent protests . Police headquarters stormed by pro-Russian forces in Odessa as Ukraine 's PM visited city . 67 people died in clashes , blaze in Ukraine on Friday .