Two women and a child have been seriously injured after a train hit a car on a level crossing.
British Transport Police (BTP) said the incident happened at 12.35pm at Finningley, south of Doncaster, South Yorkshire.
A spokeswoman said the three injured people were in the car and no one was hurt on the train.
The spokeswoman said: "BTP officers were called to the rail line at Beech Hill crossing, Spring Road, Finningley, South Yorkshire, following a report of a train striking a car.
"The incident was reported to BTP at 12.35pm. Emergency services are on scene and handling the incident. The three occupants of the car, two women and a child, were seriously injured. The child has since been airlifted to hospital.
"The train, a Lincoln to Doncaster service, is damaged but has remained upright and on the tracks. Passengers have been removed from the train and there are no reports of injuries at this time. Officers are working to establish more specifics about the incident and will provide updates as soon as any further information is available."
An East Midlands Trains spokesman said: "The incident happened at approximately 12.35 and involved the 11.54 East Midlands Trains service from Lincoln to Doncaster.
"The train remained upright on the tracks at all times. Our first priority and thoughts are for those involved in the incident. Our staff ensured that passengers were safely escorted from the train and these passengers will be taken forward to Doncaster by alternative road transport.
"We will work with Network Rail and the British Transport Police to ensure those involved in this incident are given every assistance."
The spokesman added that a bus service is operating on the affected route between Lincoln and Doncaster.