The area closes at 11 pm but the airline staff failed to explain to the stranded passengers in Chinese, which led to unruly behavior by some 100 passengers, it said.
The alliance, founded in July 2008, has 550 members engaged in finance, securities, e-commerce and cybersecurity, such as at the Industrial and Commercial Bank of China, Alibaba and Qihoo 360.
The announcement on Wednesday noted that those affected by the latest entry adjustments must strictly abide by China's regulations on epidemic prevention and control.
The app, which translates into "Today's Headlines", uses algorithms to scour a massive number of sources to filter news and tailor feeds. It comes as traditional news portals lose their luster in the mobile age and traditional media fails to attract news-hungry users who want to stay up-to-date and relevant.
The affected areas include central and south of the Beijing-Tianjin-Hebei area, west of Shandong province and most of Henan province.
The amount is roughly a third of the country's annual GDP, which grew 6.6 percent year-on-year to reach 90.03 trillion yuan in 2018, official data showed.
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The agreement was signed at a news conference ahead of the SMMT International Automotive Summit on the same day. The summit showcased keynote speeches and panel discussions given by executives from different backgrounds including the political, economic, academic and media sectors and auto industries.
The anti-graft authority said on Tuesday that Li Qingkui, former chairman of China Southern Power, was placed on probation within the Party for two years for seriously violating discipline and law.
The adult smoking rate in Beijing is 22.3 percent, or 3.99 million smokers, 200,000 fewer than the figure in 2015, the city's commission for health improvement said.
The amended constitution must fully represent the latest sinicization of Marxism, new governance concepts, thoughts and strategies of the CPC Central Committee since the 18th CPC National Congress, as well as new experience in adhering to and strengthening Party leadership and in strict Party governance, it said.