One lane is closed and there's heavy traffic due to an accident on the M4 westbound between J18 A46 (Bath / Tormarton) and J19 M32 (Bristol).
Lane three (of three) is closed.
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A minute's silence will be observed at 11am on Thursday in remembrance of those who lost their lives in the Manchester Arena attack.
A bright start to the day and staying sunny across the region with temperatures in the mid-twenties in parts.
As stand out day ahead of sunshine and blue skies, with highs of 23 or 24 degrees in some places across the South West.