A female cyclist is believed to be seriously injured after being hit by a car on Skellingthorpe Road.
The incident happened at around 1.06pm on Friday, September 23, on the corner of Skellingthorpe Road and Hemswell Avenue.
Police and ambulance crews are currently on the scene.
The car involved in the incident was a grey Toyota Auris.
Eyewitnesses have said that an air ambulance has travelled to the scene of the incident twice.
A spokesperson for Lincolnshire Police said that the woman is being taken to hospital with serious injuries.
Anyone who witnessed the incident should call 101 referring to incident number 187 of September 23.