Chief Inspector Adrian Knight from Warwickshire Police describes exactly what happened on the M6 today.
The M6 southbound is now open but fire crews are still working on the closed northbound carriage of the motorway, between Junction 3 and 4.
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The threat level has been raised to critical by MI5's Counter-Terrorism Analysis Centre.
Mostly cloudy tonight. Brighter with warm sunny spells tomorrow.
Another dry day with sunny periods, becoming locally very warm.