A drone squad, designed to locate and - if necessary - capture nuisance drones flown by members of the public, is to be launched by police in Tokyo. The police unit will patrol important buildings such as the prime minister's office. If a suspicious drone is detected, the operator will be warned via loudspeakers on the ground. But if he or she fails to respond, police will launch drones equipped with nets to bring down the device. "Terrorist attacks using drones carrying explosives are a possibility," a senior member of the police department's security bureau told the Asahi Shimbun website....