Drivers are facing delays tonight following a crash on the A34 between Abingdon and Oxford.
Fire crews have been called to the crash on the northbound carriageway, involving three cars and a lorry at the Hinksey Hill interchange.
Three fire engines are at the scene after being alerted to the incident at about 5.15pm.
South Central Ambulance has confirmed that its staff are at the scene.
A spokesman said: "We have treated four patients for minor injuries and they have all been taken to the John Radcliffe Hospital for treatment."
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