Updated at 6.29pm: Police arrested a 43-year-old man on Friday in connection with the killing of the man's wife in Sai Kung three days ago. A police spokeswoman told SCMP.com that the man, surnamed Hui, surrendered to police about 10.15am on Friday. Hui claimed he had killed his 29-year-old wife on Tuesday at their Ho Chung Village home. Police found the body of the woman in a bedroom of the home. A post-mortem is to be conducted. The investigation is continuing.