Authorities in Massachusetts said Nicholas Akerberg, 28, attacked people inside a courthouse in a Boston suburb with pepper spray on Monday.

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

His training as a soldier in the Great War consisted of two days’ practice with a rifle, and a short stint driving a bayonet into a mannequin. Then he was shipped out, handed a gas mask ...

Tram users were left scared after the gas mask-clad man reportedly discharged a mystery gas on board Manchester trams. Multiple incidents of the man releasing gas around the Abraham Moss and ...