The A342 Devizes Road is blocked in both directions due to a building fire near Church Lane / Pewsey Road.
It's also affecting the A342 Andover Road in both directions at A345 High Street By the Elm Row houses.
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Firefighters are visiting dozens of tower blocks in the city to offer reassurance to residents after the Grenfell tower fire.
Breezy with showers moving eastwards
Windy with a few showers