PLAINFIELD — Massachusetts State Police are investigating the death of a 9-year-old girl Friday who was dragged and then hit by a school bus as she exited the bus.

The incident occurred around 4 p.m. as the girl was dropped off on South Central Street in Plainfield.

State police said that when the unidentified girl got off the bus, she was not fully clear when the door closed.

She then got caught in the door and was dragged a short distance when the driver pulled away.

She was then hit and killed by the bus.

The bus remained at the scene, state police said.

The girl was a student at a local school, and other students were on the bus at the time of the incident. It's unknown if any of the children witnessed the girl getting dragged and hit.

State police have not released the name of the school or bus company, and said the male driver is being interviewed.

The incident remains under investigation.

— WCVB Boston