Nancy Duarte Matarese, the mother of fallen West York Borough Officer Andrew Duarte, says the support she’s received since her son’s passing on Saturday has been overwhelming. Duarte was killed after responding to an active shooter at UPMC Memorial Hospital in York County on Saturday.

The York County Coroner’s Office Monday ruled West York Borough Police Officer Andrew Duarte‘s death a homicide. The report from the coroner shows that Duarte’s, 30, cause of death is from “ballistic injuries of the torso.

A man who took hostages in a Pennsylvania hospital during a shooting that killed a police officer and wounded five other people highlights the rising violence against U.S. healthcare workers and the challenge of protecting them.

Investigators are trying to determine why a man targeted a Pennsylvania hospital, taking workers inside the intensive care unit hostage and holding one staff member at gunpoint as her hands were bound by zip ties.