
Pupils had been holding an end-of-term tea party with parents and teachers in the garden of Study Prep School in Wimbledon, less than a mile from the site of the ongoing tennis tournament, local media reported.
The driver of a car, a 46-year old woman from the area, was arrested at the scene on suspicion of causing death by dangerous driving, police said.
The incident was not being treated as “terror-related”, police said on Thursday.
On Thursday it was confirmed that Selena Lau had died as a result of her injuries.
The second girl, who was named as Nuria Sajjad, died on Sunday, police said.
Her family said in a statement that she “embodied joy, kindness and generosity and was loved by all around her”.