Hong Kong tests thermal drones to catch illegal smoking at construction sites

Hong Kong labour authorities have begun testing an infrared thermal-imaging drone to detect heat sources and illegal smoking at construction sites, with plans to add artificial intelligence (AI) to identify smoking workers. Since the total site smoking ban took effect on July 17, about 1,400 construction sites have been inspected as of Tuesday, according to Wan Chi-ping, assistant commissioner for labour. Authorities issued 39 fixed-penalty notices and 11 improvement notices to contractors,...