SEOUL, Dec. 27 (Yonhap) -- A Chinese military jet entered South Korea's air defense zone Thursday without notice, defense authorities here said.
The aircraft entered the country's air defense identification zone, called KADIZ, at around 10:21 a.m. and exited it half an hour later, according to the Joint Chiefs of Staff (JCS).
It again crossed into the KADIZ at around 11:54 a.m., it added.
A Chinese military plane also entered the area a month earlier.
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