An Arizona man and his two horses are seriously injured after the man's out-of-control stage coach tore through the streets of Mesa Fire, Ariz., MyFoxPhoenix.com reported. Dave Johnson of Mesa Fire told the site that a 75-year-old man hitched four horses to a carriage and was taking a ride when a barking dog spooked the horses, MyFoxPhoenix.com reported. The front two horses began galloping, dragging the two horses in the rear along with the stage coach for a distance of 75 feet, the site reported.