Sir David also spoke to Dianne Thompson, chief executive of the lottery operator Camelot who announced that the main prize draw is to be rebranded as Lotto.

BBC: Sunday 28 April 2002

The prize from Saturday's draw is the fourth-largest in Powerball history.

BBC: New Jersey $338m Powerball winner's 'pure joy'

The oldest unclaimed prize dates back to the first draw in June 1957.

BBC: Search for ?1m prize-winners

They matched all six numbers in the Lotto draw on Wednesday 1 December and have only now claimed their prize.

BBC: ?5.6m Port Talbot lottery winner claims prize