Chinese soldiers help clean up Hong Kong streets, but violence flares again

Police fired tear gas while protesters threw petrol bombs and fired arrows in clashes outside Hong Kong's Polytechnic University on Saturday, just hours after Chinese soldiers made a rare appearance to help clean up the city's streets. The presence of PLA troops on the streets, even to help clean up, could stoke further controversy over the Chinese-ruled territory's autonomous status. A city spokesman said the Hong Kong government did not request assistance from the PLA but the military initiated the operation as a "voluntary community activity".

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