Heart Radio has given away GBP 1 million live on air to a listener.
Heart Radio gives away £1 million live on air
Key worker Tommy Norton was announced as the winner and he received the news while sat parked at the side of the road in his van.
He said that the prize money was going to make a "massive" amount of difference to his life and asked presenters Amanda Holden and Jamie Theakston: "Is this real?"
After he won, he tried to ring his girlfriend, who is a hospital worker.
The prize money, which was awarded on Heart Breakfast, is the largest sum that has ever been given away on UK radio, according to the station.
Holden wore a dress which appeared to made from GBP 50 notes as she revealed the winner.
The Heart's Make Me A Millionaire contest has been running for 11 weeks, with listeners taking part in a daily competition which could have got them a place in Thursday's final prize draw.
Participants were given the opportunity of walking away with a prize ranging between GBP 1,000 and GBP 30,000 or going into the final draw for GBP 1 million.
In Thursday's programme, the ten contestants had to pick a number between one and 10, with nine of the numbers corresponding to a GBP 1,000 prize while one contestant won GBP 1 million.
Mr Norton was the last competitor to take part in the draw.