Japanese Defense Minister Takeshi Iwaya said Friday he told his Chinese counterpart Wei Fenghe that unilateral action is unacceptable in the South China Sea, where Beijing is expanding its military presence.After the launch in June of a bilateral communications mechanism to avert unwanted clashes at sea and in the air, the Japanese and Chinese defense chiefs also discussed deeper exchanges between defense authorities, according to Iwaya.The meeting, the first official one since November 2015, was viewed as the latest sign of warming bilateral relations, coming a week before Japanese Prime M…READ FULL ARTICLE