BEIJING: Japanese foreign minister Takeshi Iwaya on Wednesday (Dec 25) raised "serious concerns" over China's military buildup as he met counterpart Wang Yi in Beijing, Tokyo said. On his first visit to China since becoming Japan's top diplomat earlier this year, Iwaya told Wang that Tokyo was "closely monitoring the Taiwan situation and recent military developments", according to his foreign ministry. Meeting with Wang at Beijing's opulent Diaoyutai State Guesthouse, he also "expressed serious