THIS is the horror moment a huge shark prowled close to three unsuspecting swimmers.
Footage shows the 8ft beast stalking the clueless trio at a beach in New South Wales, Australia.
In the clip, captured on a drone on Sunday, the shark can be seen swimming towards the three men in black wetsuits.
The shark then glided underneath them in shallow water close to the shore.
Lifeguards at the beach near Forster desperately blew their whistles to alert swimmers to get out of the water.
One of the three men then spotted the shark and frantically rushed to get to shore.
More on sharks
But his friend lost a flipper and turned back to get it from the sea floor before escaping.
The beast - thought to be a grey nurse shark - luckily appeared not to be interested in the men and swam away.
Emily Howman, who was controlling the drone, said she felt helpless as she watched the close call.
She told : "I couldn't even warn them.
Most read in The Sun
"It was abject fear that something bad would happen and all I'd be able to do was watch."
It comes after incredible pictures showed a great white shark baring its blood-stained teeth as it ripped through its meal.
The images show the huge beast feasting on a tasty treat of yellowfin tuna in the Pacific Ocean off the coast of Mexico.
Meanwhile, shocking footage showed the moment hundreds of hungry sharks swarmed around a boat.
The clip shows the beasts frantically thrashing around the vessel off the coast of Venice, Louisiana, as stunned fishermen watched on.
And another clip showed a massive shark stalk a group of unsuspecting swimmers at a busy beach.
Footage showed the frightening silhouette inching towards the oblivious swimmers just metres away from where they were located in Dongara, Western Australia.