A 20-year-old man has been charged with unlawful assembly over his suspected involvement in a protest that took place in a Hong Kong shopping mall four years ago. Issac Lee, a student, appeared at Kwun Tong Magistrates’ Courts on Tuesday morning. He was remanded in custody until next Tuesday, when his case will next be mentioned in court. Lee is suspected of taking part in an unlawful assembly in Kwun Tong’s apm shopping mall on June 30, 2020, along with Arthur Chiang, Truvian Wong, Cheung Chung-lun and others. Around 100 people gathered in the mall that day for a “sing with you” demonstration…