A police helicopter was deployed to Lincoln after a man allegedly ran from the scene of a serious crash.
The crash happened on Fosse Lane at Thorpe on the Hill at around 9.50am on Wednesday morning.
As a result, the bridge over the A46 at Thorpe on the Hill was closed.
Lincolnshire Police officers are on the scene and said that the driver of one of the vehicles involved ran off towards Thorpe on the Hill.
He was described as wearing dark clothing with dark hair.
It’s unclear at the time of writing how many vehicles were involved and the extent of any injuries.
Police have asked for anyone with information on the crash to call 101 and quote incident 96 of March 4.