A man who went out of his train carriage for a quick smoke was not quick enough: the train left the station before he got back on.
This would have been a mere inconvenience were it not for the fact that his baby was on board the train.
Video released by the Greater Cleveland Regional Transit Authority show another passenger in the near emtpy carriage realising what had happened, who raised the alarm. The father is also visible running alongside the track in a panic.
The train went back to the Louis Stokes/Windmere station where father and child were reunited, with no harm done.
The incident took place in January but the video was only released now.