Hong Kong’s declining suicide rate could reverse if the current political chaos intensifies, a watchdog group said on Tuesday, which was World Suicide Prevention Day.University of Hong Kong’s Centre for Suicide Research and Prevention announced on Tuesday that the city’s suicide rate was 12.2 per cent in 2018, dropping from 12.8 per cent in 2017.Professor Paul Yip Siu-fai, the director of the HKU centre, said the decrease was likely a result of improved mental health support and suicide…