The winners of half of last Saturday's record £66m National Lottery jackpot tell BBC News they are still in shock, describing their win as "a serious amount of money". <br />David and Carol Martin, both aged 54, from Hawick in the Scottish Borders were unveiled as the winners at a news conference at the Dalmahoy Hotel, south of Edinburgh. <br />They were one of two ticket holders who matched the six winning numbers.