EuroMillions winning ticket.The winner from Ayrshire is among six lottery ticket holders who have failed to collect £61.5million in winnings.The huge prizes have gone unclaimed with the time ticking down on the 180 day deadline.The biggest by far is the £58million winner who has yet to claim the prize in Ayrshire.But there are winners across the UK, in Leeds, Hull, Poole, Harrow and Brent, who risk losing out on a fortune by the end of the summer.One £1million is yet to be claimed this month,