Authorities in West Virginia say a star of the MTV reality show "BUCKWILD" and two passengers all died of carbon monoxide poisoning.Full story
At an elementary school in Atlanta, fire crews found dangerous levels of carbon monoxide thought to have originated from the school’s boiler. NBC’s Gabe Gutierrez reports.
At least 48 teachers and students were hospitalized after being overcome by carbon monoxide. NBC's Chris Clackum reports.