From his website:
It is with great sadness that we have to announce that Davy died yesterday [15th December 2008] amongst friends and family from a massive seizure at home after a short battle with lung cancer. There will be a private family funeral held in the next few days and a public memorial in January; details of which will be available at http://www.lescousins.co.uk/ shortly. Davy will be missed by those of us who loved him. The many fans who came to see his last concerts gave him much joy and satisfaction and was something he drew great strength from.