Vaping has been heralded as the most effective way for people to quit smoking.

But concerns have been raised increasing numbers of children are trying e-cigarettes, and that could lead them to take up smoking cigarettes.

Trading standards teams are on the frontline of the fight to stop e-cigarettes falling into the hands of under-18s.

5 live Investigates followed an undercover investigation by Camden trading standards in London to see if shops would break the law and sell nicotine products to a 16-year-old girl.

Hear the full story on 5 live Investigates at 11am on October 7.