The player bought the ticket for just 2 euro 50 cents
The winner of last night's Euromillions jackpot has been revealed as an online player from Leinster.
The player bought the ticket for just 2 euro 50 cents and selected their own numbers, with the ticket now worth 49.5 million euro.
The National Lottery is urging all Leinster-based online players to check their tickets and to come forward to claim the prize.