In a statement, the Brititish Transport Police said:
"A four-year-old girl, Emma Lifsey, sustained serious injuries and was airlifted to Sheffield Children's Hospital, where she was sadly pronounced dead in the early hours Wednesday, 5 December. Her family have been notified.
"The police investigation into the incident is ongoing and remains very much in the early stages. Officers are working hard to establish the full circumstances surrounding the incident, including how the vehicle came to be on the tracks at the time."
More top news
The Spanish football federation has suspended all games past 16 May in a dispute over television rights.
Winds easing tonight with a few showers remaining for Scotland which could linger into tomorrow morning
A woman and her three children held hostage at knifepoint were saved by police after managing to hide a secret SOS message in a pizza order.