The gunman who held intensive care unit staff hostage at UPMC Memorial Hospital in Pennsylvania before killing a police officer and injuring five other people Saturday believed that more could have been done to save his wife,

A funeral service will be held later this week for a Pennsylvania police officer shot and killed while responding to a hospital intensive care unit where authorities said a gunman had shot three hospital employees and taken staff members hostage last weekend.

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,