A woman has been arrested on suspicion of causing death by dangerous driving after the crash at The Study Preparatory School in Camp Road.

The driver stopped at the scene and police have asked the public not to speculate.

10 people were taken to hospital following the incident.

A major incident was declared, and people were urged to avoid the area, as a large cordon extending around the school was put in place by police.

The event is not being treated as terror related.

A spokesperson for the Metropolitan Police said: “We can now confirm that sadly a child has died following an incident where a car collided with a building at a school in Wimbledon.

“We can also confirm that the driver of the vehicle, a woman aged in her 40s, has been arrested on suspicion of causing death by dangerous driving

“There have been further injuries and we await an update from the London Ambulance Service.”

Detective Chief Superintendent Clair Kelland, local police commander for south-west London, said: “This is tragic news and our thoughts are with the girl’s family and friends, and everyone affected today.

“We remain at the scene and are continuing our investigation into the full circumstances of the incident.”

London Fire Brigade and London Ambulance Service also attended the scene.

One witness outside the Wimbledon school said parents had collected their children, with some described as “distraught”.

Zac Powell, who did not give his age or address, told reporters: “I arrived at around quarter past 10, within 15 minutes of the incident happening.

“I saw a lot of distraught parents rushing from the scene on my arrival.

“Since then I have seen a lot of parents coming and picking up their children with expressions of relief or despair.

“There was quite a lot of damage I could see. Even from a distance.

“Within 15 minutes of my arrival there were armed police response units here at the scene.”

The MP for Wimbledon, Stephen Hammond, said the school is located in an area where “you wouldn’t see much speeding.”

In a statement, MP Stephen Hammond said: “Since being declared by the local police a major incident, you’ve seen that we’ve had fire, air ambulance, ambulance and police on the scene.

“Extraordinarily distressing and tragic incident on the last day of term.

“It appears just before 10 o’clock today, the police were called to the incident that a Range Rover drove into the school.

“There are a number of people who are critically injured as I understand it and given the scale of the response from emergency services… this is a very serious incident.”

He added that the school is a “very well-known and family-based school.”

“It’s a local prep school having girls between the ages of four and eight.” Mr Hammond added.

Mayor of London Sadiq Khan and Shadow Home Secretary Yvette Cooper also shared their condolences on Twitter.

Yvette Cooper described the incident as “terrible” while thanking emergency services for their “swift efforts.”

The full tweet said: “Thinking of all the families, pupils and staff affected by the terrible incident at a primary school in Wimbledon this morning.

“Thank you to the emergency services on site for their swift response.“ Sadiq Khan urged people to avoid the area, and added that he remained in close contact with police and emergency services who were at the scene.

The full tweet said: “The incident this morning at a primary school on Camp Road in Wimbledon is absolutely devastating.

“My heart goes out to everyone affected.

“Police are on the scene and have confirmed the incident is not being treated as terror-related.

“An investigation is underway to understand the full circumstances and I continue to stay in close contact with the Met and other emergency services.

“Please avoid the area to allow emergency services free access to help all those who need it.

“If you have any information about the incident please call police on 101.”