Thirty eight people have been jailed for a total of 70 years after a police crackdown on organised gang crime in Deptford.
The sentencing is the culmination Operation Nona which involved undercover officers buying drugs on the streets of South East London.
Police officers were working as part of Operation Trilogy Unit - a unit set up to tackle gang-related crime in Lewisham
They seized large amounts of cash and an imitation fire arm.
Police say as a result of Operation Nona they have broken up four organised criminal networks. .