South Korea deploys jets as Chinese, Russian aircraft enter its defense zone

"South Korea's military has announced the deployment of fighter jets in response to the unannounced entry of Chinese and Russian military planes into its Air Defense Identification Zone (KADIZ) over the Sea of Japan...... four Russian and two Chinese aircraft crossed into the KADIZ over the Sea of Japan, also known as the East Sea, between 11:53 am (02:53 GMT) and 12:10 pm (03:10 GMT)." MS