Network Rail has released a video showing people the potential hazards of travelling on escalators.
The full version of the video, designed to raise awareness of the dangers, features two clips recorded at Birmingham New Street, along with advice for passengers.
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Part of the bridge wall and footpath in Barrow-upon-Soar in Leicestershire fell onto the tracks last summer.
His family are extremely worried as they say this is really out of character for Aaron who has never been missing before.
Very mild but often cloudy and damp.