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b'A third of children across the UK are being exposed to vape promotions online.

Brightly coloured and sweet in flavour, it\\u2019s hard for kids to resist them.

Now, schools across the country are installing vape detection units and airport-style security to curb the rise of a new generation of nicotine addicts.

So, are social media companies taking enough responsibility? And why has the legislation not kept up?

ITV News Reporter Sam Holder tells ITV News Presenter Duncan Golestani What You Need to Know\\u2026 '