A Frontier Airlines plane reportedly struck a pedestrian on a runway at Denver International Airport, forcing it to abort its takeoff. The Airbus A321 carrying 224 passengers and 7 crew members was headed to Los Angeles. The incident occurred at approximately 11:19 p.m. local time and resulted in smoke from the cabin. Passengers were evacuated via slides. There was a brief engine fire that was quickly extinguished by the Denver Fire Department. The airline is investigating the incident and is coordinating with the airport and other safety authorities.