Trump calls on all NATO countries to stop buying Russian oil, threatens 50% to 100% tariffs on China  CTV NewsTrump issues an ultimatum for NATO countries on Russia sanctions  CNNBeijing slams Trump’s call for NATO countries to stop buying Russian oil, hit China with heavy tariffs  CBCTrump ‘ready’ to sanction Russia if Nato nations stop buying its oil  BBCTrump demands NATO action on Russian oil before any U.S. sanctions  The Washington Post