Trump, Xi talks "significant" for US-China ties: officials

The first summit between US President Donald Trump and his Chinese counterpart Xi Jinping will be of "great significance" for global peace, the two countries' top diplomats agreed ahead of the meeting.News of the telephone call between the US and Chinese top envoys came soon after the publication of an interview with Trump, in which he warned that America was prepared to act unilaterally to deal with North Korea's nuclear programme if Beijing proved unwilling to help.Surging regional tensions ov