Caught Live on Instagram: "During the final heat of the 2015 J-Bay Open in Jeffreys Bay, South Africa, millions of viewers watched Australian surf star Mick Fanning casually sit in the lineup—until the water behind him suddenly exploded. A great white shark, estimated at over 10 feet long, surfaced directly behind Fanning, smashed into his board and dragged him off his feet. For a few frozen seconds, all you can see on the live broadcast is a tangle of fins, leash, and white water as commentator