A cannabis factory was uncovered by police during a drugs raid this morning.
Police discovered about 50 fully-matured plants at an address in Tamworth Lane, Mitcham, at about 9am.
Officers also seized a tub full of powder they suspect to be Class A drugs and a small quantity of other drugs.
No-one has been arrested but police are making enquiries.
The raid was one of a series of drugs warrants carried out by Mitcham police this morning.
A 34-year-old man was arrested in Clay Avenue at 7am for intention to supply drugs.
- WH Smith to follow Waterstones' lead and return to Wimbledon town centre
- Would you live in an independent London city-state under President Sadiq Khan? 'Londependence' petition passes 110,000 signatures
- 'Stay alert but not alarmed' says Met as force takes to Twitter to police Wimbledon tennis championships
- Mayor Sadiq Khan to London's EU migrants: 'You are welcome here'
- Former weather presenter to Channel her energies into charity swim