Seven activists from a group planning to use drones to disrupt flights in and out of Heathrow airport have been arrested

London police deployed Friday a sweeping security cordon around Heathrow Airport and made seven arrests to thwart climate activists’ efforts to shut down Europe’s busiest travel hub using toy drones. Campaigners from Heathrow Pause — an offshoot of the Extinction Rebellion group backed by Swedish teenager Greta Thunberg — had hoped to disrupt the travel…