Too many people think they would hear a train in time to move clear - tragically we know this isn't the case.
The sound of a train approaching is much quieter than you would imagine with the wheels pushing noise out sidewards rather than forwards and distorting what you hear.
Trespass is just not a risk worth taking and so we hope that Wretch and George can help get across this message and reduce the number of incidents we see each year.
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The Met Police says 143 firearms have been handed in at stations across the capital in just seven days, including two antique machine guns.
The pair filmed themselves clinging on as the train travelled from Essex to London at high speed.
Around 60 firefighters tackled the blaze at the four-storey building in Daleham Gardens, Hampstead, that broke out early on Tuesday.