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'Explosive' chocolate cake sparks airport security alert

A major security alert at a busy airport has been sparked ... by a chocolate birthday cake. It set off an automatic alarm when it was detected in hand luggage.

Justin Barrett, from Kent, had bought the cake for his son's birthday and was about to fly out from Stansted when he was stopped and searched.

Security staff at first suspected the cake might contain explosives but it was given the all-clear. So what was in it that triggered the emergency?

Click below for the full report from Tom Savvides