Tokyo police arrested a 17-year-old boy on suspicion of attempted murder after another 17-year-old was stabbed to death on a ...

Investigators are trying to determine why an armed man targeted a hospital in the US state of Pennsylvania, killing one officer and injuring several medical staffers. Bearing a pistol, the armed man ...

A man who took hostages in a Pennsylvania hospital during a shooting that killed a police officer and wounded five other ...

A man armed with a pistol and carrying zip ties entered a Pennsylvania hospital’s intensive care unit Saturday and took staff ...