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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It will be dry and sunny for most over the next few days - but that won't help the temperatures.
A rescued bull terrier was found to have more than 50 shot gun pellets and the crown from a tooth embedded in his face.
A dry night with clear skies will leave to frost and fog patches overnight.