A Hong Kong man has confessed to stabbing his ex-wife outside Family Court because he had not been allowed to see his daughter for more than two years.The High Court heard on Thursday that Chong Hay-chik, 39, used a 23-cm (9-inch) knife to stab Pang Lin five times in her abdomen before he was subdued by security guards outside a courtroom in Wanchai Tower on May 8, 2017.The case prompted the Family Court to enhance its security later that year, introducing mandatory screenings by handheld metal…