Two teenage boys who were seriously injured in a crash north of Lincoln have died as a result of their injuries, police have said.
The 14-year-old and 17-year-old were passengers in a Vauxhall Astra which left the road on Heath Lane at Welton Cliff at about 20:00 GMT on Monday.
Lincolnshire Police said another 17-year-old passenger remained in a serious condition in hospital.
Three other teenagers, including the driver, suffered minor injuries.
Officers are appealing for information from anyone who saw the car in the area before it crashed.