A Hong Kong sports official has rejected an apology from the organiser of a weightlifting competition in Dubai after a song linked to pro-democracy protests was played at a prize-giving ceremony instead of Hong Kong’s national anthem, China’s “March of the Volunteers.” Hong Kong gold medallist Susanna Lin made the “time out” gesture at the Asian Classic Powerlifting Championship in Dubai on Friday when “Glory to Hong Kong” was played instead of the city’s anthem. After a similar mishap in South Korea, authorities issued guidelines to sporting bodies insisting that athletes should make the gest…