The general opinion is that there's not much you can do if someone wants to strap a bomb to themselves and detonate it in a public place.
Ok British and world intelligence do a difficult and thankless job trying to monitor potential terrorists and no doubt prevent thousands of incidents, but surely there has got to be an answer somewhere out there.
Education is the obvious one, but is easier said than done. Human spirit is great, and people all over the world unite in the face of these horrific acts, but have we all got to live the rest of our lives just excepting that at any moment we could get blown apart by an act of terrorism, or is there a way to guide the planet with all its diversity and different religions, onto a path of relative peace, before we are all involved in the ultimate explosion?