Police are searching for this man after a 12-year-old boy was allegedly sexually assaulted while travelling on a bus in Paddington .
The incident is said to have happened on the No 16 bus as it travelled on Edgware Road near Paddington Green Police Station.
The Metropolitan Police says the school boy was sitting sitting opposite the suspect at approximately 7.50pm on November 15 2015, when the suspect started stroking his leg.
The boy then got off the bus and walked off down Edgware Road.
The man is described as being of Middle Eastern appearance, aged between 25 and 30 years, with black hair.
Anyone with information should contact PC Neil Webb on 07787 669282 or Crimestoppers anonymously on 0800 555111, quoting reference 6549571/15.