PITTSBURGH — Pittsburgh Police say several people have been injured after someone opened fire with a gun at a psychiatric clinic.

Police did not say how many people were shot or if anyone was killed in the afternoon incident at the Western Psychiatric Institute and Clinic in Oakland, but a Pittsburgh paper reported at least five people were involved.

A SWAT team was on the scene.

Pittsburgh media reported that at least one officer had been shot in the leg and was taken for treatment.