Shocking moment a couple escape unscathed after an escalator completely folds into pieces

This is the terrifying moment two passengers narrowly escaped unharmed when an escalator crumpled into pieces at a subway station in eastern China.
One passenger suffered minor injuries to his leg in the incident which took place in Suzhou yesterday.
The railway company attended to the scene and repaired the escalator four hours after the accident.According to Yangtse.com, the accident happened at the no. 4 exit of Lindun Lu station in Suzhou city at 10:30 am yesterday.
Surveillance footage from the railway station shows the moment two passengers get on the escalator. The stairs then start to pile up at the bottom.
Two other people that were walking towards the machine stop in front of the escalator.
At least three steps were stacked up, revealing the motor parts under the footplate of the escalator. The breakdown triggered the emergency stop.
The two lucky passengers can be seen walking up quickly to exit after.A spokesperson from Suzhou Rail Transit told reporters that one on-duty cleaner reported the incident to the station staff.
He explained the escalator had a malfunction and was repaired within 30 minutes but 'due to safety issues, the exit remained closed in order to carry out an inspection overnight.