https://techcrunch.com/2019/09/13/uk-police-arrest-a-number-of-climate-activists-planning-heathrow-drone-protest/

UK police have arrested a number of environmental activists affiliated with a group which announced  last month that it would use drones to try to ground flights at the country’s busiest airport.

The group, which calls itself Heathrow Pause, is protesting against the government decision to green light a third runway at the airport.