Guardian: Plane Stupid’s activists train in protest techniques, such as padlocking themselves to things, so as she sat on the ground near Stansted’s runway, Rosie Slay was not overly concerned for her safety, despite the bicycle D-lock attaching her to a fence by the throat. Safety is always a big consideration during the group’s actions, she says. The police had arrived shortly after the protesters, and were removing them one by one from their makeshift barricade, cutting some loose with bolt …