A diver barely escaped with his life after a 16-foot tiger shark snapped its jaws around his head. Shocking footage shows instructors desperately jabbing the apex predator with metal poles before it releases the victim, a Malaysian tourist, and rips off his mask. He only suffered a 3.4-inch long laceration across his head from a shark tooth during the attack in Beqa Lagoon, Fiji. Video shows the giant shark bite ...