A 37-year-old female motorcyclist has died in a crash involving three vehicles near Boston in Lincolnshire.
Lincolnshire Police said emergency services were called after two cars and a motorcycle collided on the A1121 at Boardsides at 0320 GMT.
The two car drivers, a 33-year-old Lincoln man and a 34-year-old Boston man, were arrested on suspicion of causing death by dangerous driving.
Roads in the area, including Fen Lane, were closed after the accident.
The motorcyclist died at the scene of the crash, police said.