The first two torpedoes exploded prematurely, and the third one missed.

The bomb exploded prematurely, just before midnight while no one was in the office.

On November 6, 1998, two terrorists died when their bombs exploded prematurely.

One exploded prematurely and two were knocked out by a minefield.

The first two hit the target amidships, but the third exploded prematurely.

The car exploded prematurely, about a mile from the courthouse, and left a crater in the road.

One, a militant, died as a bomb he was planting exploded prematurely.

The police said the bomb appeared to have exploded prematurely.

The bomb exploded prematurely, killing all four of the men.

Many of the torpedoes exploded prematurely or ran at the wrong depth.