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HOW BOMB DISPOSAL WORKS

1 With the area evacuated by the police and a safety cordon set up more than 100m away, the team commander of the Explosive Ordnance Disposal (EOD) unit will perform reconnaissance to gather as much data about the bomb and its fuse. This is to determine how volatile and explosive the bomb is.

2 As part of the probe, the team commander will also perform an X-ray (above) on the bomb's fuse using a portable scanner. The information about the fuse, which is meant to set off the explosive, is relayed to the team. The decision to destroy it onsite or at a live firing range depends on the volatility of the bomb.

3 To detonate the bomb onsite, the team will create a sandbag barrier around the bomb at a safe location. The size of the barrier depends on the type of bomb and up to 2,000 sandbags can be used to contain the blast.

4 The EOD team places a predetermined amount of plastic explosives on the bomb. They then attach a detonation cord, initiator and firing wire.

5 After a last round of checks to ensure there is no one nearby, they detonate the bomb from a safe distance.

If the site is deemed too risky (e.g. there are people or buildings nearby) to detonate the bomb, the EOD team will transport it to a live firing range. They first place it in a sand-filled case to prevent it from moving about before loading it onto a vehicle. The bomb will be driven on a planned route under police escort to the range, where it will be destroyed.