DRIVERS have been urged to travel 'if only absolutely necessary' after a lorry jackknifed whilst driving in snowy conditions in Oxfordshire.

Thames Valley Police confirmed a closure is in place on the A34 as the lorry, which has burst its tank, is blocking both lanes of the motorway as a result of heavy snowfall in the county.

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The force is also dealing with multiple other crashes on the M4, M40 and A34.

The number of incidents led to a warning from officers about driving in the conditions.