It paid tribute to a great-grandmother who died after being hit by a Met Police motorbike escorting the Duchess of Edinburgh.
Helen Holland, 81, from Birchanger in Essex, was hit by a car at a junction in Earl’s Court, west London, on May 10.
Ms Holland was in a coma and in critical condition after the accident but has now died two weeks later.
Her family told the BBC she was “fighting for her life… but irreversible damage to her brain finally ended the fight today”.
Her son, Martin Holland, said his mother died after suffering “multiple broken bones and serious internal injuries” while using the “safe route of a pedestrian crossing”.
Helen had been in London at the time of the accident to visit her older sister.
The police regulator The Independent Office for Police Conduct had previously launched an investigation into the accident.
At the time, it was said that as part of the investigation, video surveillance cameras from surrounding properties and recordings from police body cameras were being examined.
It added that police officers who were at the scene would be questioned.
Police have also called for witnesses to come forward.
Buckingham Palace previously said Sophie, the Duchess of Edinburgh was in “deep thoughts” with Helen.
A palace spokesman said: “The heartfelt thoughts and prayers of the Duchess are with the injured lady and her family.”
“She is grateful for the quick response from emergency services and will keep abreast of developments.”
Her son and daughter-in-law Martin and Lisa-Marie Holland previously told the BBC after the accident that they were “shocked and ill from their serious injuries”.
The Met Police Special Escort Group provides armed escorts for members of the Royal Family, VIPs, protected members of government, visiting royals, heads of state and other dignitaries.
It also provides armed vehicle escort for valuable, dangerous and protected cargo – and can also include high-risk prisoners.
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