Police cadets are giving advice to commuters on keeping their mobile phones safe.
The young volunteers will be at Clapham Junction station handing out leaflets and talking to members of the public about mobile phone theft throughout the day.
Cadets will be advising the public to register their mobile phones for free on a national database which officers can use if it is stolen or lost.
They will also be on hand to answer questions on how to keep homes secure from bunglers.
Safer Transport Command and British Transport Police will be supporting the cadets.
The volunteer cadets are aged 10 to 18-years-old and help build positive relationships between the police and young people.
Police commissioner, Sir Bernard Hogan Howe, said: "The Cadets will performing a helpful service to the public in raising awareness of in some cases, simple measures we can all take in securing our valuables while at home or travelling."
The Mayor of London, Boris Johnson, said: "It’s fantastic that we have so many young, dedicated Met Police Cadets who are prepared to give up their time to advise others about protecting themselves and their homes from crime, in the lead up to Christmas."
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