The police can stop, fine or arrest a person under 18 who is drinking alcohol in public. If you're under 18, it's against the law:
However, if you're 16 or 17 and accompanied by an adult, you can drink (but not buy) beer, wine or cider with a meal.If you're 16 or under, you may be able to go to a pub or premises that's primarily used to sell alcohol if you're accompanied by an adult.However, this isn't always the case and it can depend on the premises and the licensable activities taking place there.
It's illegal to give alcohol to children under 5.
It'll cost us is a campaign in St.Helens, which aims to educate people about the law around 'proxy sales' - (when someone over the age of 18 buys alcohol for a child).
Find out more information here