A female employee at Mercy Fitzgerald Hospital in Darby, Pa., was killed Thursday afternoon when a gunman opened fire, according to a news report.
The shooting took place in the third floor of the hospital's wellness center, where the fatally shot victim worked. According to the report, a 52-year-old male doctor suffered a graze wound. There is no word on the condition of a third victim.
Police have the 49-year-old assailant in custody. The shooter, who reportedly has a history of psychiatric problems, was shot before being detained and is in critical condition. Authorities are exploring the possibility that the injured physician returned fire using his own gun.
Check back for a complete report as more information becomes available.