| http://www.w3.org/ns/prov#value | - untry never made contact with the plane.The plane lost all contact and radar signal one minute before it entered Vietnam's air traffic control, Lt. Gen. Vo Van Tuan, deputy chief of staff of the Vietnamese army, said in a statement issued by the government.The South China Sea is a tense region with competing territorial claims that have led to several low-level conflicts, particularly between Ch
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