Kai McKenzie. Following a shark attack, which left him sans a leg, McKenzie has returned to the ocean, and standing up on a surfboard. He was, quite literally, knocked down, then got back up again.

A 23-year-old surfer's severed leg—bitten off during a shark attack—washed up on shore and medical professionals are now assessing if it's possible to reattach the limb. Kai McKenzie was ...

Kai McKenzie, 23, was surfing near Port Macquarie ... While Australia has more shark attacks than any other country except the US, fatal attacks remain relatively rare.

Emergency services were called to North Shore Beach in Port Macquarie after Kai McKenzie ... Mowbray said Mr McKenzie was out surfing by himself at the time of the shark attack.