The East Midlands Ambulance Service is advising people to take care and avoid the area if possible, while thanking partner agencies for their support at the scene.
Reporters have contacted Lincolnshire Police and EMAS. This story will be updated as soon as more information is available.
There has been a serious road traffic incident at Swineshead, A52, #Lincolnshire this morning. Please take extra care, and avoid the area if possible. Thanks to our partner agencies for their support on scene.