But whoever carried out Monday's attack was apparently able to place a powerful bomb on the street next to the building.

Because there's almost certainly a very powerful bomb in it; that's why.

The American and the woman could have been killed with a less powerful bomb.

The young captain felt the earth tremble from the powerful bomb going off below ground level.

Military experts suggest that the facility may be able to survive attack from all but the most powerful bombs.

They were merely highly powerful bombs with some interesting secondary effects.

It was a simple matter to pilfer enough of what he needed to make two reasonably powerful bombs.

Two powerful bombs were laid on roads close to Kabul in recent weeks.

In shield mode, a small but powerful bomb can be deployed.

They plant a powerful bomb in the basement of the church and plan to set it off during the wedding.