Nicholas Akerberg entered the courthouse in a helmet, gas mask, tactical boots, and sunglasses, Middlesex DA Marian Ryan’s ...

New video shows the moments a man in a gas mask walked up to a courthouse in Woburn, Massachusetts, and forced his way inside ...

Police said the man arrived at the Woburn courthouse for an ongoing case armed with a gas mask and pepper spray.

"They send over [attack] drones with cannisters full of [gas] and drop it into the trenches," he said. "It's a riot control ...

COPS are hunting for a "masked man" who reportedly released gas on trams full of passengers. Tram users were left scared after the gas mask-clad man reportedly discharged a mystery gas on board ...

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 ...

More than 40 million gas masks were issued. In America there was a gas mask for children that looked like Mickey Mouse, with the character's nose and ears and even a picture of him on the gas filter.