Chinese Province Starts Drone Patrol of Waters Near N.Korea Marine authorities in the northeastern Chinese province of Liaoning near the North Korea-China border are using an unmanned aerial vehicle to watch illegal activities in waters off North Korea. Since not many countries use UAVs for coastal patrols, there is speculation that China wants to monitor North Korean defectors who escape by sea. Hong Kong's South China Morning Post on Wednesday reported Liaoning marine authorities "began drone patrols for the first time over water and islands close to North Korea last week." Liaoning is the first province to use a drone...