A section of the A47 has been blocked following a serious crash.
All eastbound lanes have been closed between the junctions with the B1147 and Norwich Road near North Tuddenham.
National Highways have described the incident as a "high impact" road traffic collision, with "delays likely".
Emergency services are currently at the scene and the road is expected to reopen between 11pm and 11.15pm.
It is understood that traffic is being diverted through North Tuddenham.
More to follow.
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