Milwaukee police are asking City Hall to go forward with the process, saying the tactical gas delivery systems are needed for the 2020 DNC.

Later identified as 28-year-old Nicholas Akerberg of Yarmouth Port, the culprit was seen on security footage charging toward the building's entrance armed with his pepper spray.

A man wearing a gas mask and tactical gear forced his way into a Boston-area courthouse Monday and is accused of pepper-spraying and physically assaulting several people before he was arrested.

A Massachusetts man wearing a gas mask and tactical gear was captured on video walking into a courthouse in a Boston suburb and attacking several people with pepper spray on Monday.

A man wearing a gas mask was filmed as he stormed a courthouse, pepper-sprayed officers and randomly attacked onlookers. Nicholas Akerberg, 28, barged his way into Woburn District Court in the ...

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.

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

Video released Tuesday shows the moments a man in a gas mask stormed into a Woburn courthouse and released pepper spray before court officers wrestled him to the ground. Nicholas Akerberg, 28, of ...

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.