Transcript for Amazing Kayak Rescue in England
you an amazing rescue as it happened, a kayaker pinned under a raging waterfall, stuck on the rocks, his head under water. We show how his friends raced against time to try to get him free. Reporter: They're professionals in a dangerous sport shooting the rapids, one of the toughest rivers in england when suddenly, look closely, that's mark hardingham pinned between two rocks his head held underwater by the current gushing, freezing cold water. Can you breathe? You see him get pushed on the right channel, next thing he's wedged between a rock and a hard place. Reporter: With no time to waste the kayakers into action racing to free him. Jumping onto the rocks attaching a safety rope to his life jacket harnessing him allowing him to gasp for air, the action all caught on young's helmet. If someone is not breathing, luckily mark had a little air pocket there. Reporter: Be finally pulling him to safety. Having survived these killer rapids he's lucky to be alive but his greatest fear his wife. I hope my wife doesn't find out about this. Llhassan, abc news, london.
This transcript has been automatically generated and may not be 100% accurate.