Emergency services were called to Roman Bank, Ingoldmells, shortly after midnight this morning (Wednesday, May 14) in response to a single vehicle Road Traffic Collision involving a red Peugeot 206.
Five occupants of the vehicle were treated at Boston’s Pilgrim Hospital.
They are a 19-year-old female from gainsborough, two 20 year-old men from Mablethorpe, a 33 year-old man from Spilsby and a 16 year-old male from Theddlethorpe.
The two most seriously injured are the female and the 16-year-old, who both suffered head injuries and 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.