I did spend time searching within and without Nfdaily.cn web site, and this report is the only one I can find that is published by Nfdaily itself (though the web site carries other reports on this issue, which are re-published ONLY in the web site--or online--and ONLY from other news sources of China).
(b) 刘铁男涉嫌严重违纪目前正接受组织调查. 新华网, May 12, 2013. http://news.xinhuanet.com/politics/2013-05/12/c_115732346.htm