South China Morning Post | Oil supplies to North Korea could be cut as China's frustration with ally's failure to communicate grows South China Morning Post China is likely to support tougher sanctions against North Korea, including cutting crude oil exports, but Beijing will not completely sever the energy exports to ensure the regime of its ally did not collapse, according to Chinese diplomatic analysts. South Korea looks to choke North with oil embargo UPDATE 1-Russia says its oil supplies to North Korea are negligible Japan seeks oil embargo on North Korea but China will resist cutting lifeline |