Man on cocaine charge A merchant from Bolivia will appear in Tsuen Wan Court today charged with drug trafficking after customs officers allegedly found 6kg of cocaine with a street value of HK$4.8 million hidden in compartments in his luggage at Chek Lap Kok airport. The 37-year-old man was stopped for inspection in the arrivals hall at about noon on Tuesday after arriving from Bolivia via Buenos Aires in Argentina and Johannesburg in South Africa. Protest against outsourcing Contract cleaning workers of the Food and Environmental Hygiene Department staged a protest outside the department's office in Admiralty yesterday against the government's outsourcing of cleaning services and to press for a pay rise from their current $HK8,000 a month to HK$10,000. Knife falls from flat to street An 18cm knife fell from a flat in Park Island, Ma Wan, at about 9am and landed beside a 35-year-old security guard. The guard was treated for shock at Princess Margaret Hospital. Police are investigating which flat the knife fell from. Window plunges to pavement Police arrested a 35-year-old woman after a window fell from her flat into San Tsoi Street, Sheung Shui, at about 7am. She told police the window fell when she opened it. No one was injured. Arson attack on car A car was set alight outside a garage in Lam Kam Road, Tai Po, at about 4.45am. Detectives from Tai Po are investigating.