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.