There is heavy congestion on the A14 at Newmarket due to smoke drifting on the road from a nearby blaze.
Firefighters are at the scene of a fire involving 800 tonnes of straw and animal waste off London Road in Six mile bottom, Cambridgeshire.
There are currently long delays due to the closure of the A11 in both directions between A1304 at Six Mile Bottom and A14 at Nine Mile Hill.
Fire crews were called to the scene just after 12.30pm.
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