Stunning video shows a malfunctioning escalator at the Wells Fargo Center tossing hockey fans into a heap on the floor.
The speeding escalator began rapidly moving on Saturday afternoon while fans were leaving after a game against the Ottawa Senators, which the Flyers won 3-2.
The escalator was closed down for the rest of the night.
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Some spectators reported seeing older people taken away in wheelchairs but no serious injuries were reported.
"We are working with the operator on investigating this incident," said a stadium rep in a statement.
Watch the video below.