A surfer in Cornwall claims he's captured on video a shark knocking him off his board.
Jack Buckingham says he was paddle training at Harlyn Bay, near Padstow, when a huge shark appeared right next to him.
It was all captured on his Go-Pro camera and posted online to Youtube.
"I had almost finished when I thought I spotted a shark out of the corner of my eye," said Jack."I had a Go-Pro on me as the sunset was going to be good so just by luck, I turned the Go-Pro on just...
