A gunman who held medical staff hostage before killing a police officer and wounding five others at a hospital in ...

The Denver Police Department is mourning the loss of a former DPD officer killed in a shootout with a gunman in Pennsylvania ...

A gunman, armed with a handgun and carrying zip ties, went inside UPMC's ICU, and took staffers hostage before he was ...

A police officer was killed Saturday after responding to a shooting at UPMC Memorial Hospital just outside of Harrisburg, ...

A 49-year-old gunman was shot and killed by police after they said he held multiple UPMC staff members hostage and shot ...

A police officer was killed Saturday after responding to a shooting at UPMC Memorial Hospital located just outside of ...

A police officer was killed Saturday after responding to a shooting at a central Pennsylvania hospital where the suspected ...

A former Denver police officer was killed in a shootout Saturday while confronting an armed hostage-taker at a Pennsylvania ...

A Pennsylvania police officer was killed and multiple people were injured after a gunman opened fire during what authorities ...

Three police officers were killed in separate shootings in Pennsylvania and Virginia on Saturday. "This is particularly true ...

A convicted felon allegedly "executed" two Virginia police officers at point-blank range following a weekend traffic stop, ...