( CNN ) -- The April 9 bombing killed 15 and wounded more than 200 . European officials said the men did not have a fair trial . The Belarus government refused to pardon the two men . The mother of one of the men said he was shot to death .
The April 9 bombing killed 15 and wounded more than 200 . European officials said the men did not have a fair trial . The Belarus government refused to pardon the two men . The mother of one of the men said he was shot to death .