Staff at the Blackpool Pleasure Beach attraction had to climb up the ride, which stands 62 feet (19m) high, to escort nervous thrill-seekers back to the ground.
A spokesman for Blackpool Pleasure Beach said: “At 11.55 am on Tuesday June 1 a stoppage occurred on the lift hill of the Grand National.
“All riders were safely escorted down the lift hill, and the ride was checked and re-opened just before 1pm
“Shortly afterwards there was a very brief stoppage on the Big One lift hill, at 50ft, riders remained seated and the ride continued after five minutes.”
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