For most residents of South Korea’s capital, the Han River is a place for evening strolls, picnics and a brief respite from city life.But for Kim Jun-young, chief of the Hangang Bridge CCTV Integrated Control Centre in Seoul’s Gwangjin district, it is where his team pulls people back from the edge every day.Established in 2021, the centre uses AI for comprehensive emergency response, monitoring 900 CCTV cameras across 17 of the 21 pedestrian-accessible Han River bridges. Beyond suicide...