An 83-year-old woman is in a serious condition in hospital after a car accident involving the royal convoy, which was carrying and Prince William.
The Duke and Duchess of Cambridge were travelling from London to Windsor on Monday afternoon to alongside senior royals including the Queen.
The accident involved a marked police motorbike which was part of the Royalty and Specialist Protection Command, according to police watchdog the Independent Office for Police Conduct (IOPC), who are now investigating the incident.
Kensington Palace said Kate and William were 'deeply concerned and saddened' to hear about the accident.
'Their Royal Highnesses have sent their very best wishes to Irene and her family and will stay in touch throughout every stage of her recovery,' the palace said in a statement.
The IOPC said the accident involving the elderly pedestrian took place just before 1pm on Monday afternoon on Upper Richmond Road in south west London. IOPC investigators were then sent to assess the scene a couple of hours later where they decided to launch an independent investigation.
'The woman, in her 80s, suffered serious injuries and was taken to a London hospital where she remains in a serious but stable condition,' an IOPC spokesperson said. 'In line with procedure, the Metropolitan Police Service referred the collision to the IOPC.
'... The investigation is in the very early stages and the officer involved is assisting our enquiries as a witness. Our immediate thoughts are with the injured woman and her family and those affected by the incident. The woman’s family has asked that its privacy be respected at this time.'
The incident comes a few months after a near the Queen's royal estate of Sandringham collided with another vehicle
Following the crash, Prince Philip voluntarily gave up his driving license. The Crown Prosecution Service later said the