A man who took hostages at UPMC hospital during a shooting that killed a police officer and wounded five others highlights the rising violence against U.S. healthcare workers.

The officer killed while responding to a shooting and hostage situation at a Pennsylvania hospital on Saturday had celebrated his 30th birthday just days earlier, authorities revealed Sunday. Officer Andrew Duarte of the West York Borough Police Department was among those who responded when the armed suspect,

Authorities described the shooting of a gunman who opened fire at a Pennsylvania hospital as “absolutely justified, beyond any and all doubt.”