Massive road jams caused by mystery diesel spill

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COMMUTERS faced gridlock on Monday after a mystery diesel spillage was spotted by road-users.

Police received multiple calls from about 7.30am onwards, and Herts Highways were called to tackle the clean-up operation.

Gritters put sand on the affected areas to make the roads safe again.

The fuel had been spotted in Maylands Avenue, Swallowdale Lane and Warners End Road - all in Hemel Hempstead.

But neither police or highways chiefs could identify what had caused the spillage.

Spokesman Andrew Dawson said: “I am assuming it was a spillage from a vehicle and they did not realise it was going on.

“It was not a big slick of diesel. It was just a splattering on the roads.”

It is the second time Hemel Hempstead has faced roads gridlock in a fortnight.

Streets including Queensway and Leighton Buzzard Road were brought to a near-standstill two weeks ago after an engine blaze in a lorry on the southbound entry sliproad to the A41.