Hong Kong police on Sunday fired tear gas and water cannon at several hundred demonstrators who gathered to protest plans by China to implement a controversial national security law on the former British territory.The unauthorized protest in the Causeway Bay district was one of the largest mass gatherings in Hong Kong since the global COVID-19 pandemic began.The police said on social media that the demonstrators occupied roads and obstructed traffic around 1 p.m. and threw umbrellas and plastic bottles at the police. Riot police fired rounds of tear gas "to stop violent acts of rioters," th…READ FULL ARTICLE