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

A Woburn courthouse was evacuated Monday after a man in a gas mask released pepper spray inside, police said. The man went into Woburn District Court and began releasing the chemical irritant around ...

Nicholas Akerberg, 28, showed up to the Woburn District Court in the Boston suburbs locked and loaded with a gas mask, ...

A Stoneham police officer, court officers and other responding officers used a Taser to subdue a man wearing a gas mask and ...

WOBURN, Mass. (AP) — Police in a Boston suburb have arrested a man who they say entered a courthouse while wearing a gas mask ...

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

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

A gas-mask-wearing assailant stormed into a Massachusetts ... In total, Akerberg had eight canisters of pepper spray and two smoke canisters with him, the Middlesex district attorney’s office ...