Australian foreign minister Marise Payne confirms that Chinese-born Australian journalist Cheng Lei, an anchor for the China Global Television Network, a state-controlled media broadcaster, has been detained in Beijing under "residential surveillance" since August 14. The Chinese foreign ministry has not cited a rationale behind her detention.
Tens of thousands of people gather in Hong Kong to mark the 30th anniversary of the crackdown on protests in Beijing's Tiananmen Square. Hong Kong is one of the two places in China where people can openly commemorate the event, the other being Macau, to a lesser extent; elsewhere in China, the authorities have banned and blocked any reference to the crackdown.
Following the death of 22-year-old U.S. student Otto Warmbier, touring firm Young Pioneer Tours, who arranged Otto's visit to North Korea, say they will no longer be taking U.S. citizens to North Korea as the "risk is too high". Beijing-based Koryo Tours say they are reviewing their positions on taking U.S. citizens to the country.
The 18th National Congress of the Communist Party of China is opened in Beijing, during which current Paramount Leader Hu Jintao is expected to step down to make way for presumptive leader Xi Jinping.