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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There'll be a lot of fine weather this Bank Holiday Weekend
There'll be more cloud about today than yesterday but it will be warm. Risk of the odd sharp shower later.
Homes have been evacuated as the Army works to defuse an unexploded World War II bomb discovered near Wembley Stadium.