About 100 protesters remained incarcerated at Hong Kong Polytechnic University on Tuesday when police were besieging the campus.
The police surrounded the area on Sunday and used water cannons, tear gas and heavy vehicles to dramatically restrain the protesters. Escalation of the demonstrations.
Hundreds of people were evacuated from the scene overnight in negotiations between university officials and police, local news agencies reported. Hong Kong's largest English-language newspaper, The Standard, reported that others rappelled off ropes onto the road from a jetty where they were hurried off on motorcycles.
The Hong Kong Red Cross said on Tuesday that about 40 people were treated there, some of them suffer fractures and head and burn injuries. 26 people were taken to hospitals, it said.
Also on Tuesday, the Chinese government beat Hong Kong's supreme court, claiming that it has no authority to pass a bill prohibiting wearing masks against protesters.  Let our messages meet your inbox. The news and news that are important were released on Monday morning.
The High Court ruled Monday that the emergency laws that prohibited the wearing of masks during protests were unconstitutional Kong to China in 1997.
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It took less than a day for Beijing to invalidate the verdict. A spokesman for the Legislative Commission of the National People's Congress said that the equivalent of the Hong Kong Constitution "can only be judged and decided by the Standing Committee of the National People's Congress," the Reuters and Hong Kong media reported.
The South China Morning Post quoted a spokesman for the Hong Kong and Macao offices as saying the High Court ruling had "serious and negative sociopolitical implications."
Xinhua, the official Chinese news agency, confirmed both statements.
] For more than five months, hundreds of thousands of protesters, many wearing masks to protect their identities, have taken to the streets to protest first against a bill that would have allowed Hong Kong to extradite criminal suspects to mainland China ,  The measure was withdrawn in September, but the demonstrations continued as a broader protest against China's control of the island.