Nokia / Airtel — SMS

I have received that i have won 100,000 Pounds in nokia mobie draw and was asked to visit nokialotob.blogspot.com and my ref no was tod as Nokia 68------ and was asked to send an e mail to one id. is this true or fraud?? and also i keep getting some messages like this saying its a UK draw or american draw.. etc... cant this be stopped by government or even service providers like airtel or vodaphone etc., ??????