Hazardous materials crews responded to Nashoba Regional High School in Bolton on Sunday.
Police say they found a man in a car on Maguire Road who said he ingested liquid cyanide.
A state official is now under investigation in an alleged scheme to steer lucrative contracts to a Malden hazardous waste company.
The mystery behind a hazardous materials scare Wednesday in Roxbury has been solved.
A box “that had markings indicating that it may be hazardous” was found in the basement of a home in Roxbury on Wednesday, sparking a hazardous materials situation.
Haymarket MBTA Station was closed to passengers Tuesday after an incident involving a radiation scare.
Mayor Menino has pushed to keep trucks carrying hazardous materials from passing through crowded neighborhoods like the North End and Chinatown.
Emergency personnel are investigating possible suspicious devices or materials at a residence hall at the Massachusetts Institute of Technology.
A man’s body was found dead in a car in Watertown after an apparent suicide on Saturday night.
The woman at the center of Tuesday’s cyanide scare killed herself with the poison, but did so while preventing serious injury to anyone else.