Three further unexploded devices were found later.
No dirty bomb has been used, though unexploded devices have been developed.
During September and October 1940 he dealt with over 200 unexploded devices - on average working on three live bombs per day.
After the explosion, police found another unexploded device at the entrance of the Palmi gallery.
To date more than 300 of the estimated 1,000 existing mines and unexploded devices have been found and destroyed.
The police found a similar unexploded device at a busy city market.
It remained in force in 1996, although in 1995 at least one unexploded device reportedly was still in position near Semey.
Above all, children are in danger of setting off unexploded devices by accident, and they can receive serious injuries from doing so.
It mentions first of all the serious problem of unexploded devices, the anti-personnel mines that were widespread during the Vietnam War.
One bomb expert was shown on the evening news dismantling one explosive while another carried three unexploded devices to a police car.