2 Singaporeans were arrested for suspected drug trafficking activities during an operation by the Central Narcotics Bureau (CNB) on Wednesday (July 27), with more than 6kg of controlled drugs seized. The street value of all the drugs seized - 1,893g of heroin, 270g of Ice or crystal methamphetamine, 4,193g of cannabis and seven bottles of methadone - was estimated to be about $313,000. The amount of heroin seized could feed about 900 abusers for a week, said CNB, while the amount of cannabis found could feed the addiction of some 600 abusers for a week. On Wednesday evening, CNB officers arrested the two Singaporeans - a 41-year-old man and a 34-year-old woman - in a hotel room in Sentosa. There, 1,849g of heroin, 269g of Ice, 663g of cannabis and six bottles of methadone were found. They were then taken to their hideout at a private residential enclave in the vicinity of Shenton Way early Thursday morning. There, 44g of heroin, 1g of Ice, 3,530g of cannabis and one bottle of methadone