Hong Kong police fired tear gas in a bid to disperse protesters gathering in the shopping district of Causeway Bay on Sunday for a march against authoritarianism.After firing rounds of tear gas and issuing warnings of the use other non-lethal weapons, the police retreated. The crowd subsequently regrouped and marched on toward the government headquarters at Admiralty on Hong Kong Island.With many holding umbrellas aloft, the mainly black-clad protesters chanted: "Five demands, not one less" and "Freedom for Hong Kong."The unauthorized march was held to mark Global Anti-Totalitarianism Day, …READ FULL ARTICLE