The A17 has been closed in both directions due to a major crash involving two cars and a lorry near to Sutton Bridge.
The collision happened on Kings Lyn Road at around 11.30am just before the Norfolk border.
Emergency services closed a section of the road in both directions and are diverting traffic.
Lincolnshire Police said the road is expected to be closed for some time.
Injuries are being assessed at the time of writing.
This is a breaking news story and will be updated accordingly.
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