Three dead, 18 first responders quarantined after exposure to unknown substance at New Mexico home

Three people died and nearly 20 first responders were quarantined after being exposed to an unidentified substance at a Mountainair, New Mexico, home.

Three people died and nearly 20 first responders were quarantined after being exposed to an unidentified substance at a Mountainair, New Mexico, home.

Three people died and nearly 20 first responders were quarantined after being exposed to an unidentified substance at a Mountainair, New Mexico, home.