After an incident in which a woman was dragged along a platform at Jarrow with her arm stuck in the doors of a Metro train, the train operator has released a satirical cartoon warning of the dangers of holding doors open.
You can see it at
http://www.youtube.com/watch?v=_0EEucaCQuA&feature=youtu.be
By Philip Haigh
Freelance railway writer, former deputy editor at RAIL magazine - news, views and analysis of today's railway.