Security footage from the courthouse shows a man wearing a helmet, gas mask, tactical boots and sunglasses walk up to the building as a court officer opens the front door. The man is then seen ...

The man police identified as Nicholas Akerberg, 28, of Yarmouth Port, wore a helmet, gas mask, tactical boots and sunglasses when he entered Woburn District Court on Monday, security footage shows.

WOBURN, Mass. (WHDH/CNN Newsource/WKRC) - A courthouse had to be evacuated after a man in a gas mask and a helmet attempted to storm the building and attacked a security guard with pepper spray.

Nicholas Akerberg, 28, entered the courthouse around 10:30 a.m. decked out in a helmet, gas mask, tactical boots, and sunglasses, Middlesex District Attorney Marian Ryan’s office said in a news ...