Arsenal coach Arsene Wenger was charged with improper conduct by UEFA on Wednesday following his criticism of the match officials after his team\'s Champions League exit. Wenger hit out at the referee following the 3-0 win over AC Milan on Tuesday, which was not quite enough to overturn the Italians\' 4-0 lead from the first leg of the last 16 tie. \"UEFA has opened a disciplinary case against Arsenal manager Arsene Wenger for improper conduct in relation to last night\'s UEFA Champions League round of 16 second-leg match against AC Milan in London,\" said a UEFA statement. The case will be dealt with by UEFA\'s Control and Disciplinary Body on March 29.