Nicholas Akerberg entered the courthouse wearing a helmet, gas mask, tactical boots, and sunglasses, Middlesex District Attorney Marian Ryan’s office alleged. The post DA: Gas-masked invader at Woburn ...

A courthouse had to be evacuated after a man in a gas mask and a helmet attempted to storm the building and attacked a ...

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

Video obtained by WCVB shows the moments when a man in a gas mask armed with pepper spray canisters stormed the lobby of a ...

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

Police arrested a man who they say entered a courthouse while wearing a gas mask and attacked several people with pepper ...

In total, Akerberg had eight canisters of pepper spray and two smoke canisters with him, the Middlesex district attorney’s office said. He was arrested and taken for a mental health evaluation ...

An investigation later revealed Akerberg had eight canisters of pepper spray and two smoke canisters, the office said. Police and the district attorney’s office didn’t respond to email ...

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

An investigation later revealed Akerberg had eight canisters of pepper spray and two smoke canisters, the office said. Police and the district attorney's office didn’t respond to email messages ...