A gas-mask-wearing assailant stormed into a Massachusetts courthouse Monday and unleashed a tirade, pepper-spraying officers ...

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

Police in a Boston suburb have arrested a man who they say entered a courthouse while wearing a gas mask and tactical gear ...

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