Beijing’s point man overseeing Hong Kong affairs is set to visit the city later this month as it marks the fifth anniversary of the imposition of the national security law and he will speak on the occasion, the Post has learned. Sources told the Post that Xia Baolong, director of the Hong Kong and Macau Affairs Office (HKMAO), was planning a visit to the city and was likely to attend a national security legal forum organised by the Department of Justice and scheduled for June 21. “The...