Motorists are being warned to avoid the A143 near Harleston after an accident and a break down lead to major rush hour delays.
Police were called late this afternoon to two incidents near the junction with Redenhall Road.
A broken down articulated heavy goods vehicle near the roundabout at the junction had caused tailbacks and traffic disruption.
A collision also occurred close to the scene added to delays.
The A143 is the major road linking Diss and Harleston to Bungay and further towards Lowestoft and Great Yarmouth. Police have urged people to avoid the area.
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