The Luton airport website reports: "Owing to technical issues with Air Traffic Control, flights in or out of London Luton Airport may be affected.
"Passengers are advised to check in for their flights as normal."
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With the closest and most unpredictable General Election in years, the battle for Westminster could be won or lost in the East of England.
A mainly dry and bright but chilly start in the Anglia region. Turning increasingly windy again later with outbreaks of rain developing.
Showers easing with clear spells overnight. Strong winds easing.