Yesterday bombings in London are quite disturbing because if we take into account our relations with the United Kingdom it is like we were attacked too. In addition, it is thought the attacks were perpetrated by kamikaze. This Jihad army undermines the grounds of our open societies: trust. Yesterday attacks have made us less free in a certain way.
However, the most important element is that it is a civilization problem. After the attacks, every Muslim has become a suspect. Relations between Muslim populations and the West are strained and this is what Bin Laden wanted. The attacks in London have created a much more critical situation due to the fact that, contrary to what happened after September 11, there is no obvious target to retaliate against.
It is essential that Muslim fight against their own extremists. It is necessary Muslims recognize there is a culture of death among them. If they don’t fight this cancer, all relations between Islam and the West will be affected. This is a cultural problem of Islam. London, Paris, Riyadh, Bali or Cairo will never be secure as long as the responsible Muslims do not delegitimize the extremists.

Source
New York Times (United States)

If It’s a Muslim Problem, It Needs a Muslim Solution”, by Thomas L. Friedman, New York Times, July 8, 2005.