The U.S. called on China to end its aggressive tactics against Taiwan on Monday after Beijing flew 52 aircraft into the island's airspace, triggering a diplomatic war of words. The sortie of 34 J-16 fighters and 12 H-6 nuclear-capable bombers was the biggest yet as tensions increase in the South China Sea. 'The United States is very concerned by the People's Republic of China's provocative military activity near Taiwan, which is destabilizing, risks miscalculations, and undermines regional peace and stability,' said State Department spokesman Ned Price. 'We urge Beijing to cease its military, diplomatic, and economic pressure and coercion against...