UPDATE: Police said that while a second incident was reported on the A46 Lincoln bypass, no vehicles were found.
Lincolnshire Police warned people on social media of a second incident on the dual carriageway between Skellingthorpe and Carholme roundabouts.
They later clarified however that while a second crash had been reported, there were no vehicles on the scene when officers arrived.
This is a developing story and will be updated as soon as more information is available. Help keep others informed by contacting the newsroom on 01522 837217 or emailing [email protected]