(REUTERS) – Hong Kong authorities are preparing for a day of chaos on the city's streets on Tuesday, the 70th anniversary of the founding of the People's Republic of China, and metro stations and malls will close ahead of protests that they fear could turn violent.
There will be a "very serious violent attack," the chief superintendent of the police's public relations branch, Tse Chun-chung, told a news conference on Monday. "We are on the verge of extreme danger."
Police said they arrested a total of 157 people, including 67 students, after a chaotic weekend in which tear gas and water cannon were fired at protesters who set fires and threw petrol bombs. Eight police officers were injured, they said.
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Authorities are eager to avoid scenes that could embarrass the central government in Beijing on the eve of the anniversary after months of sometimes violent pro-democracy protests. Police said several major roads will be closed on Tuesday near the Hong Kong Convention and Exhibition Centre, where a flag-raising ceremony is scheduled to take place.