Port Macquarie shark attack: Truth about shocking video of Kai McKenzie that mysteriously leaked from inside a NSW police station

A chilling video of a shark attack leaked online from a desktop computer at a police station has been confirmed to be that of a surfer who lost his right leg.

The eight-second video that has circulated online in recent days appears to have been filmed using a hand-held device from inside a police station, and showed the terrifying attack playing on a computer screen.

Kai McKenzie, 23, lost his right leg after he was attacked by what was believed to be a three-metre great white shark at North Shore Beach in Port Macquarie, on the NSW mid north coast on July 23.

He was rushed to John Hunter Hospital in Newcastle with severe blood loss before he underwent a marathon operation the next day.

The footage was believed to have been filmed by a beachgoer and appeared to show the harrowing moment Mr McKenzie was attacked.

A figure in a wetsuit can be seen frantically attempting to paddle on their surfboard away from a large dorsal fin and tail in the ocean, before they were pulled underwater.

Authorities believe the leak came via a police station and have vowed to take ‘appropriate action’.

A NSW Police spokesperson told Daily Mail Australia on Tuesday night that the investigation into how the video was leaked and posted online has not changed, referring to an earlier statement released last week.

The video was filmed from a screen that appears to be inside a NSW Police facility and shows a surfer paddling before a huge dorsal fin and tail appear in the water and drag them under

Kai McKenzie, 23 (pictured), was attacked by what was is believed to be a 3-metre great white shark at North Shore Beach in Port Macquarie on July 23

Kai McKenzie, 23 (pictured), was attacked by what was is believed to be a 3-metre great white shark at North Shore Beach in Port Macquarie on July 23

 ‘NSW Police are aware of a video circulating online and have commenced an investigation into how the video came to be released,’ the spokesperson said.

‘The NSW Police Force does not tolerate this kind of conduct and will take appropriate action pending the outcome of the investigation.’ 

The police spokesperson confirmed that the investigation is being conducted by the Professional Standards Command (PSC).

The NSW Police website states the Professional Standards Command ‘is a specialist command that reports to the Deputy Commissioner Investigations & Counter Terrorism.’

‘The PSC has responsibility for setting standards for performance, conduct and integrity within NSW Police.’

Following the brutal attack, Mr McKenzie’s severed leg later washed up on the shore and he underwent marathon surgery.

Mr McKenzie's surfboard is pictured following the horrific shark attack at North Shore Beach in Port Macquarie on July 23

Mr McKenzie’s surfboard is pictured following the horrific shark attack at North Shore Beach in Port Macquarie on July 23

Paramedic Kirrin Mowbray told reporters Mr McKenzie fought the shark off before he caught a wave back to shore.

Some viewers suggested the shark in the leaked footage was bigger than the three-metre size estimated by experts.

In the leaked video, above the computer screen a poster is shown that reads ‘respect, pride, trust’ next to blue and white squares, which is identical to the NSW Police logo.

The exact same slogan and logo features on NSW Police merchandise, including lanyards and keep cups.

A used lunch container could be seen in front of the desktop screen on which the video was played.

Mr McKenzie continues to recover in hospital but has since given several updates on social media after a stint in intensive care.

“Man ohh f**king man to be here right now just to f**king be able to hold my beautiful Eve and my family is everything to me, a few days ago I went through a crazy shark attack (biggest shark I’ve ever seen) which was a very crazy scene and scared the living f**k out of me,’ he wrote.

On Monday, he shared a light-hearted photo of being surrounded by loved ones in hospital.

‘Spot something missing?’ Mr McKenzie wrote.

‘So good to have so many amazing people behind me. I really appreciate it.’

A GoFundMe created for Mr McKenzie has so far raised more than $170,000 for the young surfer.

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Read more at DailyMail.co.uk