A 43-year-old man from Donington is in hospital with “significant injuries” after a crash involving a car and two vans on Thursday.
The crash happened on the A52 Bicker Road where a Ford Mondeo, Vauxhall Astra van and Renault van collided at about 4.40pm.
Paramedics treated the injured man, who was driving the Astra, before he was flown to Queens Medical Centre, Nottingham, in a serious but stable condition.
A Lincolnshire Police spokesman said: “The casualty does have significant injuries and remains in hospital, while a 21-year-old local man driving the Renault was treated for less serious injuries.
“Meanwhile, a 31-year-old man from Billingborough who was driving the Mondeo had treatment for less serious injuries.”
Firefighters from Donington also helped at the scene to make the vehicles safe.
Anyone who saw the crash and who has not already spoken with officers should call the Lincolnshire Police collision witness hotline on 01522 558855, quoting incident number 331 of May 5.
You can also call the non-emergency 101 number, quoting the same incident.