Cabot Circus shopping centre in Bristol is currently closed due to the discovery of a suspicious package. Police are in attendance.
Surrounding roads are also closed, which is causing queueing traffic. Motorists are advised to avoid the area.
There is no estimated time for the carriageway to re-open.
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Here's everything we know so far about the Manchester Arena explosion.
Witnesses reported hearing a "huge bang" at the venue during the concert on Monday evening.
Mist and fog will not lift until the afternoon in the South West but it will warm up by the afternoon.