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.

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 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 ...

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South Vietnam. 1969-04-19. Sergeant David Combe, Public Relations Photographer, dons his gas mask before entering a tunnel found in a Viet Cong camp during Operation Surfside.