If the powder accidentally exploded, the wooden wall acted as a safety valve so whole building would not collapse on the men inside.

His idea was for a giant terror bomb to explode accidentally.

The sandbags were intended to cut down on the havoc in case one of those shells exploded accidentally.

They have discovered that the drones did not explode accidentally.

The worst accident occurred in 1908, when 30 tons of dynamite accidentally exploded.

Actually, it is almost certain that the Intrepid exploded accidentally before reaching the inner harbor.

The hunt for the two men began on Saturday, after a bomb exploded accidentally in their apartment here.

According to law enforcement officials, he was about to plant a bomb in Piraeus when it accidentally exploded and nearly killed him.

When I was 3, the refinery accidentally exploded, turning the sky red and black.

During the night a depth charge accidentally exploded on board Farnborough and the tow was dropped.