Firefighters used military drones, heavy transport aircraft and seaplanes in a large-scale drill in southwest China on Monday, as part of efforts to bring the latest technologies into emergency response operations. The exercise involved more than 1,600 personnel and over 40 aircraft and simulated a major forest fire in a high-altitude mountainous region of Chongqing, state broadcaster CCTV reported. Aircraft in the drill included the Wing Loong II and Twin-Tailed Scorpion – both unmanned aerial...