§ Mrs Curtis-Thomas
To ask the Chancellor of the Exchequer what estimates he has made of the quantity of(a) heroin, (b) cocaine and (c) cannabis that escaped detection while being imported into the UK. 
§ John Healey
The National Criminal Intelligence Service's published Organised Crime Threat Assessment 2002 estimates that around 30 tonnes of heroin and 40 tonnes of cocaine are smuggled annually into the UK. There is no estimate for cannabis.