The runway at London Gatwick Airport has reopened - with a limited number of flights due to take off and land this morning.
A drone which has forced the airport to shut down since Wednesday night hasn't been seen since late last night.
The travel plans of more than 120,000 people have been affected by the chaos - with dozens of Irish flights among those cancelled or diverted.
Gatwick says any passengers travelling today should check the status of their flight before going to the airport.
Gatwick’s runway is currently available and a limited number of aircraft are scheduled for departure and arrival. 1/2
— Gatwick Airport LGW (@Gatwick_Airport) 21 December 2018
Gatwick continues to advise passengers to check the status of their flight with their airline before travelling to the airport as departures and arrivals will be subject to delays and cancellations. 2/2
— Gatwick Airport LGW (@Gatwick_Airport) 21 December 2018
Detective Chief Superintendent Jason Tingley said officers believe the device is "larger than a domestic drone."
"Our working assumption is it's larger than what someone might buy online, we think it may have been adapted and developed."