(260415) -- HONG KONG, April 15, 2026 (Xinhua) -- John Lee, chief executive of the Hong Kong Special Administrative Region (HKSAR), addresses the opening ceremony for the National Security Education Day in Hong Kong, south China, April 15, 2026. The HKSAR held an opening ceremony for the National Security Education Day at the Hong Kong Convention and Exhibition Centre on Wednesday morning, with more than 2,300 people from all sectors of Hong Kong society in attendance. (Xinhua/Chen Duo)