Surrey officers have placed a cordon in Guildford after concerns were raised over items found at an address.
Police were called to the Ferry Lane/ Portsmouth Road area at 12.15pm on Friday 20th December.
A 100m cordon has been put in place in the immediate area and members of the public are advised to avoid the area and take alternative routes.
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Wednesday lunchtime's weather for the east of the region
Wednesday lunchtime's weather for the west of the region
There is a high risk from birch pollen during any good weather. Oak pollen is also on the increase.