Bear Grylls is a renowned survival instructor. (File)
Bear Grylls had to be saved by medics after he was knocked out by a bee sting.
The survival expert - who has an allergy to bee stings - was struck by one of the insects while shooting his new show 'Treasure Island', but docs were on hand quickly to save him from a potentially life-threatening situation.
Mano Shanmug-anathan, one of the islanders on Bear's new show, told the Daily Star newspaper: "I think that Bear is an impressive guy. He understands his tasks at hand and knows what he has to achieve.
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