At least five seven people have been shot at the University of Pittsburgh Medical Center's Western Psychiatric Institute, the Pittsburgh Post-Gazette reports. Shortly after 2PM, the University alerted students and staff,

An active shooter has been identified at Western Psychiatric Institute. Several injured; possible 2nd actor in Western Psych. Lock-down recommended until further notice. If safe to do so, tell others of this message.

A Pitt police officer is reportedly among the injured. [Post-Gazette, AP, image via Radunzel/Flickr]

Update 4PM: Two people are dead, including the gunman who opened fire in the clinic's lobby. Five are wounded. There are rumors about a second shooter, but reports conflict. [USAToday]