Police have issued an image of a woman they would like to identify.
Officers from the Metropolitan Police Roads and Transport Command are appealing for witnesses after a man was racially abused on a bus.
The investigation was launched after a video of the incident circulated on social media and was reported in the press. The video shows a women arguing with a man and using racist language.
The incident is believed to have happened on a 195 bus on Saturday, 14 September in the Hayes area.
Officers want witnesses to the incident or anyone who can provide information about the people involved to come forward.
If you have any information about the incident, please call 101 quoting 0921546/19 or Crimestoppers anonymously on 0800 555 111.
