He was standing on a hill behind the hotel with his son when, "Suddenly the blast went off.

Then the second blast went off in the seminary compound.

The blast today went off just nine miles from a nuclear power plant.

Maybe if the blast went up into the gas tank, the captain thought.

As if for emphasis, another nuclear blast went off in the distance.

But others seemed more concerned with the merchandise they were trying to buy when the blast went off.

Just as he got there, a blast like a 500-kilo bomb went off to the north.

Apparently I was on the edge of the crater and the main blast had gone over me.

He realized that the blast had been going on for minutes, it just hadn't registered.

We were a half mile away when the blast went off.