Police are releasing an image and appealing for information in a bid to trace a man they would like to speak to in connection with two allegations of sexual assault which took place in Hayes in 2005.
The offences were reported to police in 2015 and investigations have so far failed to trace this man.
The man may be known as Babar Khan or Rashid Ameen and might be working as a barber or hairdresser in the Hayes area.
If you know this man or know of his whereabouts, please contact DC Az Anwar of the Sexual Offences, Exploitation and Child Abuse Command on 020 7161 9817 or the police non-emergency line on 101.
If you wish to remain anonymous phone Crimestoppers on 0800 555 111.