This animation shows the chaos a drone caused at a London airport

The sequence of diversions and re-routing caused when a drone was sighted close to one of London's busiest airports has been turned into an amazing animated map by the UK's National Air Traffic Service (NATS), to demonstrate the level of disruption even short airport closures can create. The video map shows what happens to normal air traffic at Gatwick airport when the runway was closed in response to a drone in the vicinity. The closure lasted only nine minutes, but in that time two holding are...