Transcript for 2 suspects arrested in connection with drone usage that closed Gatwick Airport

We had overseas now we're learning more tonight about the drones causing chaos at Britain's Gatwick airport. Forcing the grounding of more than a thousand pre holiday flights tonight two arrests have been made here's ABC's Julie McFarland. Police searching this home they gap to a cap port gathering evidence after arresting a 47 year old man and a 54 year old woman in connection with the criminal use of drones that created Havoc in one of Europe's busiest airports comeback. Investigators trying to determine if they are the mystery pilots responsible for more than fifty drain sighting since Wednesday night. Leading at what officials to shut down the runway preventing anything from landing or departing. The more than 76 hours leaving tens of thousands I one point stranded. On the offices now in place around the F field the military send ten with anti drone technology. In the attempt to prevent amid collision which could have had devastating consequences like seeing hit in this simulation. Because drones are inexpensive and because they're getting make more capable all the time. They will become a bigger risk to the flying public and to the public at large. The British prime minister saying this whole episode demonstrates the need for legislators to adapt to the rising use. And risks of drones. We'll have not been Nam would drain sightings since last night. And with the arrest of these two suspects that pets now that got the capital can finally get back to normal. Amid all the affected passengers can make it to that's final destinations in time for Christmas. Tom. Julia McFarland with news of those to a rest tonight Julia thank you.

This transcript has been automatically generated and may not be 100% accurate.