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An animal handler was injured after a bull shark sank its teeth into his leg, meaning his colleagues had to leap into action and save him from being attacked further. You can watch the terrifying moment in the video below.
55-year-old Boontem Singsura was attempting to move three bull sharks at Kung Kraben Aquaculture Demonstration Facility in Thailand when he was bitten by one of the animals.
It was necessary to move the sharks because of the low tide, and Singsura had the unenviable task of sitting on the creature's head to control it during that process.
As he entered the water, the shark freaked out and bit his leg, turning the surrounding water red with blood.
Acting quickly, his colleagues managed to step in and get him out of the water.
It's lucky that they did, because the other sharks could have gone into a feeding frenzy once the blood was present in the water.
Singsura's colleague Manas Kongsri said: "We thought the shark would be familiar with our presence because we once performed CPR on it and also put an oxygen tube in its mouth.
"Then this happened.
"It was terrifying. I would not dare go into the shark pond ever again.
"Boontem's wound was also big and the blood just kept on flowing out from his leg."
The attack tore straight through the handler's jeans and left his leg with 'sheets of flesh hanging from it'.
He received medical treatment at the scene of the incident before being taken to the Tha Mai Hospital where he received further treatment.
The 55-year-old received stitches for his bite wounds, but had no further serious injuries.
Obviously, he's been incredibly lucky, as bull sharks are easily capable of killing humans, should they take the notion.
The three sharks were later safely taken to their new enclosure.
Bull sharks have an incredibly powerful bite, which can get up to a force of around 5,914 newtons.
They grow to around eight metres in length in the wild, and are - alongside the white shark and the tiger shark - are amongst the most common species of shark involved in attacking humans.
For the most part, attacks take place when humans are floating in water, surfing, or participating in other water sports, but in this case the shark clearly felt trapped and lashed out at Singsura in perceived self-defence.
If it wasn't for the quick-thinking of his colleagues, the whole thing could have turned out a lot worse.
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