Within days of holding one of his babies hostage at knifepoint, an unemployed father of triplets and twins was convicted in Kwun Tong Court yesterday of assaulting his wife last week. After pleading guilty to three counts of assault occasioning bodily harm, Chong Wai-Hung, 27, said he could not control himself and needed help. The court heard that on Monday Chong was involved in a standoff with police and social workers at his home in Sau Mau Ping. The knife-wielding father allegedly threatened to kill one of the triplets. Chong is under police investigation over this incident. The court was told that the nine-month-old triplets and the twins, aged 21 months, were now in the care of the Social Work Department. The court heard that Chong had assaulted his wife, Wu Lai-ming, 25, several times in recent days. He had attacked her once on July 29 and twice last Tuesday, using his hands and a milk bottle. He had accused her of not taking care of their children and became angry when she refused to speak to him. After the latest attack, Ms Wu left her husband and filed a complaint with police on Friday. Chong told the court he had not seen her since. After pleading guilty, Chong said he had trouble controlling his emotions and needed professional help. 'I want to deal with my emotions. I have gone through tremendous stress, I really want to solve my problems,' he said. Chong's lawyer, Chan Cheung, said his client, a sushi chef, had been unemployed for over a year and that the family lived on $12,000 a month in public assistance. Magistrate Amanda Woodcock adjourned sentencing to August 23. Before releasing Chong on $200 bail, she noted he had volunteered to attend Castle Peak Hospital.