Last month we reported that a group of environmental activists in London were planning to exploit a safety loophole at Heathrow airport, grounding flights as part of a protest against the airport's proposed expansion. To do this, the intention was to fly multiple drones at head height but within the airport's restricted airspace. This, the activists claimed, would require … [Read more...] about Heathrow Drone Protest Underway, Air Traffic Unaffected…For Now