India, May 11 -- A Frontier Airlines plane was evacuated on the runway at Denver International Airport after it hit and killed a pedestrian during takeoff late Friday night.

This prompted a response from the National Transportation Safety Board, which is now investigating the incident.

Frontier Flight 4345 was on its way to Los Angeles International Airport when the accident happened around 11:19 p.m. The flight had 224 passengers and seven crew members on board. After the collision, smoke was reported in the cabin, causing the pilots to stop the takeoff and carry out an emergency evacuation using inflatable slides.

Twelve passengers experienced minor injuries during the evacuation, with five of them being taken to nearby hospitals. Pass...