ONE lucky resident known as 'Mr W' will no doubt be celebrating after winning £300,000 on the National Lottery.

The mystery winner from Oxfordshire managed to bag the cash prize without having touched a ticket, after playing an instant win game online.

'Mr W' won the top prize on Cashword VIP, a crossword-style game, via national-lottery.co.uk.

Andy Carter The National Lottery senior winners’ advisor Andy Carter said: "Huge congratulations to Mr. W for winning this fantastic prize.

"After a few simple clicks he has become three-hundred thousand pounds better off."

The National Lottery said online winners have the choice to either release their name or remain anonymous or like this lucky Oxfordshire winner who released some details.