Queueing traffic due to rolling road block and accident, involving four vehicles on M4 Eastbound between J17 A350 / A429 / B4122 (Chippenham) and J16 A3102 / B4005 (Swindon West).
Two of the vehicles are in the carriage way and are being removed.
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A menu of the first meal ever served on the Titanic is expected to fetch up to £100,000 at auction in Wiltshire later today.
The whole region staying clear overnight with warm temperatures.
Temperatures remain high up to 12C inland.