The teenage quad biker injured in a crash in Hayes is still in a critical condition, police say.
Police are appealing for witnesses to come forward after the 19-year-old apparently lost control and hit a wall in Lansbury Drive, Hayes at about 4.50pm on Friday, June 27.
He was flown to a central London hospital by air ambulance , where he remains in a critical condition.
Police are not looking for anyone else in relation to the collision, but say they are keen to speak to anyone in the area who saw the man driving the quad bike before or during the crash.
Anyone with information is urged to call the Met’s serious collision investigation team on 020 8991 9555 or Crimestoppers, anonymously, on 0800 555 111.