HONG KONG, Oct 31: Hong Kong police fired tear gas to break up anti-government protests in the densely populated Kowloon district of Mong Kok on Thursday, as masked demonstrators gathered to join Halloween fancy-dress clubbers on the other side of the harbour.

HONG KONG, Oct 31: Hong Kong police fired tear gas to break up anti-government protests in the densely populated Kowloon district of Mong Kok on Thursday, as masked demonstrators gathered to join Halloween fancy-dress clubbers on the other side of the harbour.