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Earlier this month, the PLA sent the destroyer Baotou and frigate Xuzhou about 50 miles northwest of Uotsuri Island, part of the disputed Senkaku Islands that are under Japanese control but claimed by China.

China Eastern’s last fatal crash was in 2004, when a Bombardier CRJ-200 flying from the city of Baotou in Inner Mongolia to Shanghai plunged into a frozen lake shortly after takeoff, killing 55 people.

China Eastern’s last fatal crash was in November 2004, when a bombardier CRJ-200 plunged into a frozen lake just after takeoff from the Inner Mongolian city of Baotou, killing 53 people on board and two on the ground.

A coal-burning power plant can be seen behind a factory in the city of Baotou, in China's Inner Mongolia Autonomous Region, October 31, 2010.

The storm caused havoc at airports in Inner Mongolia, with more than half of flights cancelled from the Baotou and Chifeng airports due to poor visibility, the South China Morning Post reported.