A gas-mask-wearing assailant stormed into a Massachusetts courthouse Monday and unleashed a tirade, pepper-spraying officers and assaulting bystanders at random in a shocking, caught-on-camera attack.

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 ...

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 ...

WOBURN, Mass. (AP) — Police in a Boston suburb have arrested a man who they say entered a courthouse while wearing a gas mask and tactical gear and attacked several people with pepper spray.

Copyright 2025 The Associated Press. All Rights Reserved. Copyright 2025 The Associated Press. All Rights Reserved. Video shows a man in tactical gear and spraying ...

New video shows the moments a man in a gas mask walks up to a courthouse in Woburn, Massachusetts, and forces his way inside while pepper-spraying officers on Monday. He was quickly tackled and ...

Akerberg had shown up at the courthouse around 10:30 a.m. on Monday wearing a gas mask, helmet, tactical boots and sunglasses, the office said. The court officer and other people were unable to ...

Nicholas Akerberg, 28, of Yarmouth Port, is accused of showing up at the courthouse around 10:30 a.m. Monday, April 14, looking ready for battle, the Middlesex District Attorney's Office said.