Violence against healthcare workers is on the rise as seen by an attack at a Pennsylvania hospital. A gunman took hostages before exchanges of gunfire that killed a police officer and wounded five other people at a York County,

The unease growing inside Nancy Duarte Matarese on Saturday quickly blossomed into full-on dread as she found herself being escorted to a small family room inside WellSpan York Hospital.

A gunman who held medical staff hostage before killing a police officer and wounding five others at a hospital in south-central Pennsylvania Saturday is believed to have visited the facility in the days leading up to the incident,