A man wearing a gas mask caused a panic on an American Airlines flight from Dallas/Fort Worth to Houston Thursday night.

Police arrested a man who they say entered a courthouse while wearing a gas mask and attacked several people with pepper spray.

A man accused of attacking multiple people with pepper spray and his fists inside a Massachusetts courthouse on Monday was ordered held in law enforcement custody.

Police in Woburn have arrested a man who they say entered a courthouse while wearing a gas mask and tactical gear and attacked several people with pepper spray. The man police identified as ...