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 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 28-year-old man has been arrested by Boston police in the US after he entered a court premises wearing a gas mask and tactical gear and attacked several people, including court officers, with pepper ...

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 ...

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. The man ...

Nicholas Akerberg, 28, of Yarmouth Port, is accused of showing up at the courthouse around 10:30 a.m. Monday, April 14, looking ready for battle, the Middlesex District Attorney's Office said.