TONY MUNROE and YEW LUN TIAN CHINA toughened its language towards Taiwan on Thursday, warning after recent stepped up military activities near the island that "independence means war" and that its armed forces were acting in response to provocation and foreign interference. Taiwan, claimed by China as its own territory, reported multiple Chinese fighter jets and bombers entering its southwestern air defence identification zone last weekend, prompting Washington to urge Beijing to stop pressuring Taiwan. China believes that Taiwan's democratically-elected government is moving the island towards a declaration of formal independence, though Taiwan President Tsai Ing-wen has repeatedly said it…