A fourth innocent person has died following Wednesday’s attack on Westminster.
The Metropolitan police confirmed that a 75-year-old man had died in hospital.
His life support was withdrawn at King’s College Hospital.
The hospital’s A&E department took in eight patients, six men and two women. Another patient remains in a critical condition, while four are stable and two have been discharged.
Speaking at an event in the City of London, NHS England chief executive Simon Stevens thanked health staff.
He said: “The fact is that this was not just paramedics and ambulance crew but staff from St Thomas’ Hospital running across Westminster Bridge into potential danger.”