Three people have been arrested after a driver died when his car and a tractor collided.
The 59-year-old was killed when the green Ford Kuga he was driving and a JCB Fastrac crashed on the B1189 Martin Road, near Barff Farm in Blankney, Lincolnshire, on the afternoon of 16 December.
A female passenger in the car also suffered serious but not life-threatening injuries, Lincolnshire Police said.
A 62-year-old man, a 28-year-old man, and a 61-year-old woman have since been arrested and released under investigation, a force spokesperson confirmed. They appealed for witnesses or anyone with dashcam footage of the incident to get in touch.