B O S T O N, Sept. 27 -- Heightened concern of another possible terrorist attack, this time using biological or chemical agents, is driving many people to buy what they believe is their only ...

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. Nicholas Akerberg, ...

Ear-splitting sirens blared across Russia and school children donned gas masks during terrifying nationwide drills to test Russians’ readiness for a potential nuclear war. As part of the exercise that ...

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.