The final of the JBay Open was called to a close shortly after the start when one of the finalists, Mick Fanning was pulled under the water by a shark at Supertubes, Jeffreys Bay.
Fanning was sitting on his board when there was a sudden thrashing of water around him and then he disappeared under the water.
It appeared that a shark has become entangled in his leash and fought to escape and in the process snapped the leash.
Miraculously, Fanning was uninjured during the incident.
The water safety boat immediately rushed to the surfers and pulled them out of the water.
The JBay Open was called off as a result of the incident.
The type of shark responsible for the incident is undetermined at this stage.