China has decided to invest 600 million yuan (about $88.4 million) in infrastructure such as roads in North Korea around a bridge connecting the two countries, bilateral sources said Friday, raising concerns that Beijing may violate U.N. resolutions.Chinese President Xi Jinping's leadership is scheduled to start the infrastructure investment by the end of this year, the sources said, as Beijing and Pyongyang have been strengthening their economic cooperation recently.The effective economic aid would be regarded as a violation of U.N. resolutions aimed at preventing North Korea from producin…READ FULL ARTICLE