A man with a heart condition who wanted to take an evening ride on his motorcycle - with his oxygen tank in tow - was knocked unconscious by a sucker punch and kicked in the head while trying to stop two women fighting on his driveway.David Sprowl, 61, saw the women pulling each other's hair when he drove down his driveway in Fort Wayne, Indiana on Tuesday when he threatened to call the police.As the women were fighting, a group of people formed a circle and encouraged them.In a video, Sprowl can be heard yelling at the two girls to break up the fight as he rides down his driveway on his motorcycle.