A shooting at a Pittsburgh psychiatric clinic has left two people dead and seven wounded, according to reports.

The Pittsburgh Post-Gazette reported that a gunman is among the dead after the shooting erupted inside the Western Psychiatric Institute and Clinic of the University of Pittsburgh Medical Center on Thursday.

Paul Wood, a spokesman for UPMC, told the media -- after being briefed by the police -- that the shooting began shortly before 2 p.m. The injured were taken to the hospital but their conditions are not known at this time.

Neighboring buildings were placed on lockdown, according to The Associated Press, which also reported that police were originally looking for a second gunman, but later reported that there was just one.

Injuries have been reported during the incident at WPIC, the Western Psychiatric Institute and Clinic's website stated at 3:27 p.m. We have received patients in UPMC Presbyterian Emergency Department. Measures have been put in place to secure the hospital and to keep our patients and staff safe. We are continuing to work with the police.