Investigators are trying to determine why an armed man targeted a hospital in the US state of Pennsylvania, killing one ...

Authorities say a shooter entered UPMC Memorial Hospital's ICU and took staff members hostage before he was killed by police ...

A police officer and the gunman are dead after a shooting at a hospital in York, Pa., Saturday morning, officials confirmed ...

We’re more concerned even than usual, because this bird flu already has developed the genetic capacity to get into a number ...