Cordon is in place while chemical is identified. Ambulance staff are treating nine people.
M6 closed in both directions between J3 A444 / B4113 (Nuneaton / Bedworth / Coventry) and J4 M42 / A446 (Coleshill), congestion on M6 to J2 M69 / A46 (Coventry) Northbound.
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A frosty start, followed by a cold and mainly sunny day.
Another dry, bright and cold day with many places seeing some sunshine.
NHS walk-in centres offer an alternative to a visit to A&E, dealing with minor illnesses and injuries.