Hostage-taker to get treatment A construction worker who held his estranged wife and three sons hostage with a chopper was ordered to undergo three months' hospital treatment for mental illness. Cho Kai-yip, 47, pleaded guilty in Kwun Tong Court to charges of assault, criminal intimidation, false imprisonment and criminal damage. Cho punched and kicked his wife and threatened to chop her to death if she did not return to him. Safety officials sorry for mistake The Centre for Food Safety apologised to a fish stall at Aberdeen Market after mistakenly disclosing on Friday that samples found in noodlefish there contained formaldehyde. A centre spokesman said the sample had actually been collected at a ParknShop store in Aberdeen Centre. Teens robbed at knifepoint Two teenagers were tied up and robbed at knifepoint in the early hours when three men rushed out of bushes at Yuen Chai Park in Tai Po. The young man, 18, and his girlfriend, 17, lost their mobile phones and a wallet with HK$100. Five patients have influenza A Five patients in Sha Tin Hospital have tested positive for influenza A. A hospital spokesman said the women, aged 50 to 94, had shown symptoms since March 28. They were being treated under isolation. Infection control measures have been stepped up. Five to be tried for HK$1m fraud Five people accused of defrauding the government of more than HK$1 million in business research funds will be tried on April 20. The four men and a woman, aged 29 to 33, did not enter pleas when they appeared in court. More fake banknotes seized The number of seized fake HK$1,000 banknotes has risen to 1,721. Forty people have been arrested and the Commercial Crime Bureau has received more than 500 calls on how to detect fake notes. Move to restrict gambling ads The Broadcasting Authority Codes of Practice Committee has proposed banning lottery and gambling ads during children's programming between 4pm and 8.30pm.