AN AIR ambulance has landed in Abingdon in response to a collision outside of a Royal Mail sorting office.

The two-car crash happened on Ock Street earlier today and an anonymous eyewitness told the Oxford Mail he saw two ambulances and two paramedics racing to the scene of the incident.

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Ock Street is now closed and traffic is being diverted via Bath Street, Faringdon Road and Spring Road.

Two recovery trucks have also arrived.

Thames Valley Police and South Central Ambulance Service have been contacted about the collision.