NYPD officer battling cancer pulls man from fiery crash

You can hear the boom from the fiery crash. Two vehicles colliding head on. One catching fire and flipping.That's when offduty NYPD officer Joseph Wetzel, who was at a nearby diner with his dad, jumped into action. >> When I looked over, I saw that there were two cars in an accident that one was flipped over. >> That's Wetszel right there running towards the burning crash.>> I'm off duty. >> Okay. There's one in the driver's seat upside down, still sucking the seat belt, barely conscious.>> Body cam video s ...