Emergency services on scene of car and lorry crash
Traffic is building up on the A414 after a collision between a car and a heavy goods lorry.
Police were called at 12.05pm to reports that a heavy goods vehicle and a car had collided eastbound by Mill Green and Holwell roundabout.
Officers are still on the scene with the ambulance and fire service.
All the lanes on the eastbound side have been closed off from Hatfield.
Updates to follow.
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