Upon investigation, it is believed that both blasts appear to have been caused by fertilizer bombs.

It has become an article of faith among the right-wing extremists that there was no fertilizer bomb as the Government says.

"Not a bad day's work for a couple of fertilizer bombs."

"What if they brought one of those big fertilizer bombs outside?"

Felton robbed a bank with a friend from prison and forged money in order to buy materials to create a fertilizer bomb.

He had the fertilizer "bomb" encased in a small box.

He was the ringleader of a plot to explode a fertilizer bomb in London.

I once witnessed the destruction of a small stone house by means of a simple fertilizer bomb.

The fertilizer bomb used in the Oklahoma City attack weighed an estimated 4,800 pounds.

The fertilizer bomb was easy to make and plant, but it was the wrong weapon.