Emergency training was held Wednesday at Denver International Airport.
Smoke was seen coming from Denver International Airport on Wednesday but it was all for disaster training.
People in the Denver metro area saw more ambulances, police cruisers and fire engines on Wednesday as a large-scale disaster drill was held at the Denver International Airport.
More than 200 patients were taken to nearly a dozen hospitals in the Denver metro area on Wednesday, all in an effort for emergency responders to be prepared for a disaster.
Denver-area emergency crews practicing for a mass disaster say the exercise is going well.