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Hong Kong police fire tear gas to disperse protesters

Oct 27 (Reuters) - Hong Kong riot police fired tear gas and pepper spray on Sunday to try to break up thousands of anti-government protesters gathered illegally at the Kowloon waterfront, the latest in a series of sometimes violent clashes over more than four months of unrest. (Reporting by John Geddie and Tom Westbrook; Editing by Nick Macfie and Kenneth Maxwell)