Here is a (once again high level) Party summary of the circumstances surrounding the event, and some actions taken including the clearing of Tiananmen square on the morning of the 4th of June.
Articles I turn up since then appear to simply repudiate the USA's position on the events without further substantiating China's own. This is perhaps an oversight on China's behalf to 'set the record straight' with readily accessible information online. I hope you turn up more information in your research.