A Hong Kong court has ordered a murder suspect to face a retrial after a jury failed to reach a verdict on whether he committed the crime while suffering from a delusion that authorities were harassing him with electromagnetic waves. The 23-day High Court trial of former software developer Matthew Choi ended with a hung jury on Wednesday. Madam Justice Esther Toh Lye-ping discharged the seven-member panel, saying the case was not so complex as to warrant the jurors, who had debated behind closed...