There's a Facebook Group here -https://www.facebook.com/group.php?gid=14981700711 with over 20k members, suggesting he died of colon cancer on the 21st March, aged just 46.
However, Wikipedia and digitalspy suggests otherwise...
http://en.wikipedia.org/wiki/Neil_Buchanan#Death_rumour
http://www.digitalspy.co.uk/forums/showthread.php?p=22727718
Why would you do something like this? It's just weird, isn't it?