There was one lethal attack on the mainland - a fire balloon bomb. 6 people were killed. But yes, not on the same scale. http://en.wikipedia.org/wiki/Fire_ball

There was one lethal attack on the mainland - a fire balloon bomb. 6 people were killed. But yes, not on the same scale. http://en.wikipedia.org/wiki/Fire_balloon#Single_lethal_attack http://en.wikipedia.org/wiki/Fire_balloon#Single_lethal_atta...