A man has died after the tractor-trailer he was driving overturned on Interstate 25 near Windsor.
Investigators have made another arrest in connection to the case of a suspicious powder that prompted the evacuation of an office building in Broomfield.
A 42-year-old man is facing criminal charges after he and another male apparently placed a suspicious looking white powder on the desk of an office worker.
An autopsy has revealed that a 92-year-old man who was found dead in a cabin full of explosives in the tiny town of Turret died from a bullet, not an accidental explosion as previously thought.
Police are continuing to search a mountain cabin filled with explosives and chemicals used to make them.
Authorities in Chafee County believe a 92-year-old man was accidentally killed after a bizarre series of events involving explosives and chemicals.
Nine people have been hospitalized after a hazmat situation at the Oskar Blues restaurant in Longmont on Sunday.
A building at the University of Colorado in Boulder reopened Saturday after a hazmat team stopped a corrosive leak.
Several firetrucks and hazardous materials vehicles, along with a decontamination tent after a suspicious package was found inside the Social Security Office in Lakewood on Thursday afternoon.
The investigation continued this weekend into why a home in this northern Denver suburb exploded on Thursday.