Transcript for Kayakers Save Friend from Rapids: Caught on Tape
Now to the dramatic rescue caught on tape. A kayaker trapped between two rocks. His friends racing to free him. Abc's john muller has that story for us. Reporter: A seemingly normal day on the water took a potentially deadly turn for experienced kayaker mark hardingham on saturday. His friends are battling in the river about three hours outside of london. An area listed as one of the most difficult rivers to kayak in england, when suddenly, mark's kayak got stuck between two rocks. They were pinned under a raging waterfall. His body trapped and head held underwater. His friends waste no time, springing into action. Racing to free hardingham. They use ropes to harness him, allowing him to gasp for air. Then, pulling hardingham to safety. We're extreme quackers. Things do happen. We make sure we're surrounded around good mates to be able to deal with those situations. As you can see from the video, i had an expert team. Reporter: After a few tense moments, he climbs up on to a rock. And he gets by with a little help from his friends. And I hope my wife doesn't find out about it. Reporter: For "good morning america," john muller, abc news, new york.
This transcript has been automatically generated and may not be 100% accurate.