Had the device never been discovered, it could easily have worked indefinitely.

Two devices were discovered in the morning and the others were found last night.

A second explosive device was discovered and detonated by police.

A similar device was discovered a few years earlier.

Unfortunately the device was only discovered about 3 hours ago.

Since the device was first discovered, the Taliban had come in and changed it.

The listening devices were quickly discovered, and the Chinese government disclosed the incident early last year.

Two other devices were discovered before they could be activated.

Since this explosion, other devices have been discovered and made safe by the local authorities.

After removing the floor panelling, a mysterious device is discovered.