A Northern Ireland couple has won a £12.9m jackpot, the National Lottery has said.

The couple, from Belfast, won £12,935,936.30 in Friday's Euromillions draw and plans to go public on Tuesday.

The National Lottery is 20 years old this week and has made 81 people millionaires in Northern Ireland since the first draw.

The most recent big winner to go public was Tyrone woman Margaret Loughrey who won £27m.