A Yarmouth man was ordered to undergo a mental health evaluation Monday after he allegedly walked into Woburn District Court wearing a gas mask and pepper sprayed several officials. Nicholas ...

A gas-mask-wearing assailant stormed into a Massachusetts courthouse Monday and unleashed a tirade, pepper-spraying officers and assaulting bystanders at random in a shocking, caught-on-camera attack.

Security footage shows man spraying pepper spray at Woburn courthouse Monday A man wearing a gas mask released pepper spray inside Woburn District Court Monday morning, prompting an evacuation.

When Louisiana carries out the execution of Jessie Hoffman on March 18, he will be strapped to a gurney, fitted with a gas mask and forced to breathe in nitrogen gas until his heart stops.