Taiwan tells China to 'back off' after official denies marine boundary

Anger in Taipei after Beijing official says there is no median line in Taiwan StraitTaiwan has demanded that China “back off” and accused it of threatening peace after a Beijing official rejected the existence of a largely respected marine boundary following recent incursions.The Taiwanese foreign minister, Joseph Wu, urged Beijing on Tuesday to “return to the civilised international standards” after a Chinese foreign ministry spokesman said there was no so-called median