Police line O'Hara street near the front entrance to the Western Psychiatric Institute and Clinic, tan building, on the University of Pittsburgh campus, Thursday, March 8, 2012 in Pittsburgh. There ... more 
Police line O'Hara street near the front entrance to the Western Psychiatric Institute and Clinic, tan building, on the University of Pittsburgh campus, Thursday, March 8, 2012 in Pittsburgh. There were reports of gunfire at the psychiatric clinic injuring several people, and police were looking for a gunman. (AP Photo/Keith Srakocic) less 
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Associated Press | Photo By Keith Srakocic
Thu, Mar 8, 2012 4:28 PM EST