A 20-year-old Hong Kong man has been jailed for eight weeks over his involvement in an unlawful demonstration at a shopping mall in June 2020. Student Isaac Lee was put behind bars by Magistrate Edward Wong on Monday, after pleading guilty last month to taking part in an unlawful assembly in Kwun Tong’s apm mall on June 30, 2020, hours before the Beijing-imposed national security law came into force, local media reported. On that day, around 100 people gathered in the shopping centre for a “sing with you” demonstration, a form of protest popularised in the 2019 anti-extradition bill movement. …