An air ambulance has been called to a crash between a lorry and a truck on the A17 Holdingham roundabout.
One man was taken to Lincoln County Hospital, but the extent of his injuries is unclear at this time.
Lincolnshire Police received reports of a collision in Sleaford at 2:12pm on Wednesday, March 27.
Officers are waiting for recovery of a white Scania lorry and a Green Toyota Hilux truck.
The central reservation has been damaged and vehicle fluid has been spilled across the road.
East Midlands Ambulance Service sent a LIVES first responder, the air ambulance, a paramedic in an ambulance car and a crewed ambulance.
The road has been partially reopened eastbound, but the force is still advising for people to avoid the area.
This is a breaking news story and will be updated as we get more information. Are you on the scene? Email [email protected]