A UK Border Force spokesman said: "We flexibly deploy staff to meet demand, meaning that the vast majority of passengers pass through immigration controls quickly.
We will not compromise border security but work closely with airport operators to keep delays to a minimum."
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A wanted man turned himself in after losing a bet he made with police on Facebook - along with promised doughnuts.
Terry Butcher said his son's life had been "tragically cut short" and described him as a "dedicated captain in the British Army".
Through the morning an area of rain will steadily track northeastwards across central England.