The 2011 bombing killed one and wounded more than 200 . European officials say the men did not have a fair trial . The European president refused to pardon the 15 men . The mother of 15 of the men confirmed he was shot to death .
The April 2011 bombing killed 15 and wounded more than 200 . European officials say the men did not have a fair trial . The Belarus president refused to pardon the two men . The mother of one of the men confirmed he was shot to death .