A man and child were rushed to hospital after they were hit by a police motorcyclist in Earls Court this morning.
The accident happened on Old Brompton Road shortly after 10 am.
The police motorcyclist, who was also taken to hospital, was one of two Parliamentary and Diplomatic Protection officers on a routine patrol.
Emergency services, including the London Air Ambulance, arrived at the scene at around 10:15 am.
Paramedics treated the patients before taking them to hospital as a priority.
The fire brigade cleared a fuel spillage from the accident.
The Old Brompton Road is closed with delays in both directions between Finborough Road junction and Eardley Crescent.