Mayor of London Sadiq Khan walks through cannabis plants which are being legally cultivated at 'Traditional' a licensed factory in Los Angeles where the mayor was seeing for himself how legalised cannabis production operates in California in 2022.Sadiq Khan has been slapped down by a government minister as splits emerged over Labour’s approach to drugs policy.The London mayor has called for the decriminalisation of cannabis, arguing that the current approach is not working.But housing minister Matthew Pennycook said the government has “no intention” of reclassifying the drug.Khan was responding to a report by the London Drugs Commission, which he set up in 2022 and was chaired by former Labour lord chancellor Charlie Falconer.It said the current law