Two Held Over Drone Use at London Airport Are Released

Two Held Over Suspected Drone Use at London Airport Are Released

Dozens of sightings of drones last week led to shutdowns at the airport, disrupting travel for more than 200,000

LONDON—U.K. police Sunday released without charge two suspects held for disruptions caused by drones at one of Europe’s busiest airports, highlighting the difficulty authorities face in combating the malicious use of unmanned aircraft.

A 47-year-old man and a 54-year-old woman were arrested Friday on suspicion of the drone activity that triggered travel mayhem at London Gatwick, Britain’s No. 2 airport by passenger numbers. Drones that repeatedly buzzed the airfield forced the airport to close its lone runway and cancel about...