An ambulance has crashed into a garden in Pinchbeck Road, Spalding. The incident happened at 5am this morning.
There were no patients in the ambulance at the time and the driver and his co-worker were dazed but not seriously hurt.
It is thought they were returning to Spalding Ambulance Station at the end of a night shift.
The house was empty, with neighbours saying the occupants are currently on holiday in Barbados.
A recovery vehicle is currently at the scene.