A woman accidentally let her baby stroller roll onto the tracks at a train station in Philadelphia on Wednesday.

Security camera footage showed the woman standing on the platform with her 14-month-old daughter in a stroller. The stroller then started rolling away, and dropped down on the tracks. The mother hopped down to retrieve her daughter while a bystander ran over to help.

NBC reported that another good samaritan was able to use an emergency call box to alert the transit controllers of the incident. Officials were able to get an approaching train that was only one minute away to stop before entering the station.

NBC also reported that the child suffered a cut on her forehead but was otherwise expected to be in good condition.

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