Six people died, including the perpetrator and officer PC Keith Palmer, and at least 50 were injured when a car was rammed near the Houses of Parliament.
One of the victims was Leslie Rhodes, from Clapham, who had been visiting a hospital when he was hit by the vehicle.
The 75-year-old retired window cleaner died the following day from a head injury.
The Met Police says officers’ thoughts remain with the survivors and everyone affected by the events that occurred.