Search for teenager missing for 3 weeks Police fear for the welfare of a 15-year-old girl who was last seen on July 9 and have appealed for information about her whereabouts. Lo Sau-yin was last seen at the Fa Yuen Street Sports Centre in Mong Kok. She is about 1.57 metres tall, weighs 55kg and recently dyed her hair blonde. She was wearing a black coat, a vest with a black and white circle pattern, a silver belt, light-blue jeans and black cloth shoes. Anyone with information should phone the Kowloon West regional missing persons unit on 27612394, 27612395 or 27612396. Pepper spray used on II Police used pepper spray to subdue an illegal immigrant in Yuen Long. The 40-year-old tried to escape when officers asked to check his identity during an operation against illegal migrants. The suspect pushed an officer and dashed 50 metres before being subdued. He has been arrested on charges of attacking police and overstaying. Scavenger pinned under car An elderly woman was trapped under a car after being hit by two vehicles. The scavenger, about 60, was hauling her trolley when a motorcycle hit her near Lai King MTR station. A car then ran over her, dragging her along and trapping her underneath. She was in critical condition last night. 18 held over pirated games Customs have smashed a syndicate selling pirated video games and memory cards. Officers arrested 16 men and two women and seized 2,700 games, 420 memory cards and seven computers worth about HK$270,000. Warning to employment agencies Employment agencies have been warned to comply with the law or face prosecution. The warning comes after XPAT Domestic Ltd was fined HK$14,200 in Eastern Court for unlicensed operations and overcharging two job seekers. It started its business without a licence and collected HK$295 registration fees from job seekers and thousands of dollars for placements. New hiking trail open A new hiking trail has opened in the Lung Fu Shan Country Park next to the University of Hong Kong's campus. The 400-metre trail was built in consultation with hikers and residents. Attractions along the route include Pinewood Battery, a military fort built in 1903.