Bill Gertz on on China's Military Buildup near North Korea,
The PLA movements were first reported Monday by the Free Beacon.
The buildup likely serves two goals, the officials said. One is to bolster border security in case a conflict sends large numbers of refugees from the impoverished state into China.
Additionally, the troop buildup is a signal to Pyongyang that China will abide by its defense commitment to North Korea in the event of renewed conflict.
China’s military maintains a mutual defense treaty with North Korea. The last time Chinese troops defended North Korea was during the Korean War.