Police can set up a cordon and require people to leave an area if they have found a suspect package or if they need to investigate possible terrorism offences.
Police put up a cordon after a bomb hoax on Woodbine Street in Kirkdale in January
The 200 metre cordon was officially lifted at around 5.
I was told to make my way outside the cordon, we weren't told what was going on, it seemed like there was a sense of urgency.
Considering this scale in the center of any city, the enormous difficulties encountered with pre-bomb cordons become apparent.
Damage from bomb explosions usually covers a vast area, necessitating both inner and outer cordons.
Indeed, in the zone between the inner and outer cordons, i.
He described two police barriers on the approach to the stadium in 1988 and said he was asked to show his ticket at both cordons.
Retired police officer David Kozieja told the court he had formed part of cordons in 1988.
was eventually lifted almost three hours later.
But police officer Nicholas Lynskey, who was stationed on the turnstiles in 1988, said he had no recollection of any filter cordons.
Counsel to the inquests Jonathan Hough said footage from a police fixed point camera showed the road and no obvious cordon.
One said: ``We could not get near because of all the police cordons