Junk food adverts may be banned on London transport

Junk food adverts could be banned across public transport in London.

The Mayor of London, Sadiq Khan, says he wants to tackle the "ticking time bomb" of child obesity in the capital.

If the plan is approved, adverts for "unhealthy food and drink" will be banned on the London Underground, Overground trains, buses and bus shelters.

Watch Ricky's report to find out more.