A major global airport in Britain was forced to ground flights after reports of drones flying over the airfield, the airport said on Thursday.
London's Gatwick Airport remains shut while police and airport officials investigate reports that drones were flying in the area of the airfield.
Passengers hoping to jet off for the holidays were delayed at the UK's second busiest airport, in west Sussex, while the sightings were investigated.
Gatwick Airport in the UK's Sussex has halted its operations, including suspending numerous flights, after reports emerged of more than one drone flying in the airfield, global media outlets said.
Gatwick is the eighth-busiest airport in Europe and sits behind Mumbai as the world's busiest single-runway air hub.
Gatwick first closed Wednesday night at around 9 p.m. (2100 GMT) when drones were sighted. The airport then had to be closed again from 3:45am, as further sightings of drones were reported.
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"We will update when we have suitable reassurance that it is appropriate to reopen the runway".
Ground vehicles and a police helicopter are now searching for the drone.
All flights to and from the airport were suspended on Wednesday night with planes being diverted to other United Kingdom airports, including Manchester, Luton and Stanstead.
"We 're sorry for the inconvenience today, but the safety of our passengers and staff is our no.1 priority", said Gatwick.
Early morning services between Jersey and Gatwick have been affected, but passengers are being advised to check in as normal.
Flightradar 24 said that over two dozen flights inbound to Gatwick have been diverted so far and others continue to divert or hold pending an all clear. Got a free can of Coke and Pringles.