who is behind the Bangalore bomb blasts?

Who is Responsible for Blasts in Bangalore ? The city of technology,greenery and peace is no longer city of peace this is the first time in the history Bangalore we had such an incident though i doubt it is an internal job may be its all about dirty politics out there....

according to the officials SIMI, LeT may be behind Bangalore blasts Bangalore Police Commissioner Shanker Bidri,said and He also said that all these bombs were of low-intensity and were triggered by timers.

As per the latest reports, the SIMI and LeT operatives have been arrested and they are being interrogated. The police sources said that these terror attacks bear the hallmarks of Bangladesh outfit HuJI. Guys what do you think is it the internal job or really it is terrorist attack on this peace ful city

details of bomb blasts
http://probedeep.blogspot.com/2008/07/bomb-blast-in-bangalore.html