Four people have been taken to hospital after a four-vehicle crash on the A47 in Lowestoft.
Suffolk police were called to the scene at 9.46am.
Two ambulances and an ambulance officer vehicle attended the scene.
Four people were taken to the James Paget Hospital for further care.
The police closed the A47 Yarmouth Road at the junction with Harris Avenue and put diversions in place.
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The traffic added to two earlier incidents on the A47 in Acle and Trowse.