British tourists warned over airport phone rule that could see you 'denied boarding'

Thousands of Brits are heading abroad for some winter sun, with most travellers well-versed in airport security protocols.

Your liquids are organised in your carry-on, passport at the ready, and necessary visas secured.

But there's one lesser-known airport security rule that could see you denied boarding - and it has nothing to do with what's in your luggage.

Experts at WildPack American Summer Camps are advising holidaymakers to be aware of this obscure requirement, which if breached could result in being barred from your flight.

If you've been busy preparing for departure and let your mobile run out of battery, you could face significant complications, reports the Mirror .

Travel expert Jamie Fraser explained: "Many travellers are unaware that airport security now operates under