Police closed part of the A34 yesterday evening after a 'really serious' crash involving three cars.

UPDATE - Seven injured in A34 crash, including 13-year-old girl with 'potentially life-threatening' injuries

Drivers reported delays of up to three hours at around 11pm and Highways England warned motorists not to move their cars unless told to by police.

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Thames Valley Police roads unit took to Twitter to warn drivers.

One officer said: "A34 collusion northbound at Abingdon; this is a very serious collision but we are hoping to get trapped motorists moving again by 11pm."

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Highways England tweeted: "#A34 Northbound between #Milton to #Marcham, if you are caught within the trapped traffic please DO NOT move your vehicle unless told to by our officers or TVP."

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Meanwhile another crash involving four cars was blocking part of Headley Way in Oxford.

See live traffic feeds Here.

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