Hong Kong Customs detects a case involving possession of suspected "space oil drug" by passenger (with photo) The risks of vaping drugs like etomidate and ketamine :: High Alert Hong Kong Customs and Excise Department Press Release Hong Kong Customs detects three cases involving possession and trafficking of suspected "space oil drug" and other dangerous drugs by passengers (with photos) Anaesthetic drug found in illicit e cigarettes, as labs detect rising mix of harmful substances