No, no, no! You're both wrong, everyone knows its the Baptists. They were probably baking a casserole for someone and their oven had a malfunction.
All kidding aside, my prayers go out to those affected by the blasts.
There's also the possibility it might be the IRA or just Irish terrorists.
...what? It's the only other option I could think of that made sense. :^P
So it's either Muslims or the Irish.