Three people have been discharged and two remain in hospital following a single vehicle road traffic collision in Ingoldmells.
Emergeny services wer called to the incident shortly after midnight on Roman Bank, on Wednesday, May 14.
The five occupants of the red peugeot 206 were treated at Boston’s Pilgrim Hospital.
Two 20 year-old men from Mablethorpe, and a 33-year-old man from Spilsby have since been discharged from hospital.
The two most seriously injured, the 19-year-old female from Gainsborough and 16-year-old male from Theddlethorpe, who both suffered head injuries, remain in hospital.
Police are appealing for any witnesses who saw the vehicle prior to the incident or witnessed the collision itself.
Anyone with information should contact the Collision Witness Hotline on 01522 558855.