China has told Donald Trump to stop Tweeting about them.
Their State Media claims that issuing tweets has become a 'habit' for the US President elect.
But they've warned that 'Twitter shouldn't become an instrument of foreign policy'.
Trump has repeatedly criticised China on social media most recently accusing them of refusing to help with North Korea.
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White House correspondent Victoria Jones says he also annoyed Russia last night:
"He charged on Twitter with no evidence whatsoever that the timing of what he said was an upcoming intelligence briefing on Russian intelligence during the 2016 election had been delayed, but the intelligence officials have said that no briefing was booked."
