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.

THIS GUY, THEY’RE BEING HAILED AS HEROES. SURVEILLANCE VIDEO SHOWS THE SUSPECT WALKING UP THE STEPS WEARING A GAS MASK AND SPRAYING PEPPER SPRAY. THE COURT OFFICER AT THE DOOR OPENS IT.

WOBURN, Mass. (AP) — Police in a Boston suburb 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.

A Massachusetts man wearing a gas mask and tactical gear was captured on video walking into a courthouse in a Boston suburb and attacking several people with pepper spray on Monday. Nicholas ...

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 ...

Passengers have complained of a man in a gas mask unleashing a noxious substance on several trams, as people report hearing a “hissing” noise. Passengers on services on the Metrolink in Bury ...

New video shows the moments a man in a gas mask walks up to a courthouse in Woburn, Massachusetts, and forces his way inside while pepper-spraying officers on Monday. He was quickly tackled and ...

Ukraine leaders have called for more gas masks to be sent to their country More than 65,000 gas masks made in Wiltshire are to be sent out to troops in Ukraine to help them defend their country.