A Navy SEAL explains what to do if you're attacked by a shark. | Business Insider

Shark Attack 360 investigates a devastating shark bite off a city coast in Australia. Enter the 360 team: a group of the world’s leading shark experts, aided by a cutting-edge digital lab. To understand this shark attack, they search for shark species that match what the attack victim saw. Tune in to Shark Attack 360 tonight at 8pm on National Geographic WILD UK. | National Geographic UK