Projectile-hurling protesters in Hong Kong forced a platoon of riot police to retreat today (May 24th).<br /><br />As the officers backed away from the Sogo department store in Causeway Bay, they fired tear gas on the crowd from a short range and without putting on their own gas masks.<br /><br />Thousands of protesters have taken to the streets to protest against the planned adoption of a national security law by China in Hong Kong.