A syndicate from the North West has collected a cheque for more than €11m at National Lottery Headquarters today.
The ticket was bought in the Spar shop in Kinlough in Co Leitrim and the syndicate won the €11,179,621 prize on Saturday, August 20.
A spokesperson for the syndicate said: "We're absolutely delighted. We look forward to good health and happiness."
It is the biggest jackpot so far this year and the biggest National Lottery prize to be won in Co. Leitrim.