Detectives are appealing for witnesses and information following a fatal collision in Clerkenwell.
Police were called at 11:11hrs on Sunday, 9 August, to Farringdon Road, EC1, following reports of a black Mercedes saloon in collision with motorcycle.
Officers, London Ambulance Service and London's Air Ambulance attended. The 38-year-old male rider of the motorcycle was pronounced dead at the scene at 11:53hrs.
The driver who stopped at the scene was arrested on suspicion of causing death by dangerous driving and is currently in custody at a central London police station.
Next of kin have been informed.
Formal identification and a post-mortem examination will be scheduled in due course.
Road closures currently remain in place.
Detectives from the Serious Collision Investigation Unit at Alperton are investigating. They are keen to hear from anyone who witnessed or may have information regarding the collision.
Anyone with any information can contact the police on 020 8991 9555 or Criimestoppers anonymously on 0800 555 111.