All lanes of the M1 are now open after the accident involving five lorries between Junction 25 and 26.
The motorway is still congested with journeys between junctions 24 and 25 taking 40 minutes.
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Expect to see some outbreaks of light rain and cloud.
Rain clearing overnight. Becoming wet and windy later Sunday.
'Disadvantaged' A-level pupils are to be offered free tuition to help them get into university.