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Zoe Hardman & Anna Whitehouse 10pm - 1am
28 May 2010, 08:38 | Updated: 28 May 2010, 08:42
From today full body scanners go live at Gatwick airport.
The machines which have been in place at Heathrow for a few months check for things like explosives and weapons under clothes.
Anyone who refuses to go through won't be allowed to travel.