The doors of a lorry found containing 15 people suffering from possible dehydration near Ilminster was opened in the French port of Calais for nine minutes, sources tell ITV News.
ITV News producer Sandi Sidhu has tweeted:
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A tongue-in-cheek guide for passengers affected by the electronic hand luggage ban, by a Middle Eastern airline.
Police are treating the death as suspicious and a post-mortem examination is due to be carried out.
The footage was only discovered by June Jones' family when her son Darren stumbled across it whilst browsing Facebook.