On 20 May, shortly after 8 p.m., a man attempted to rob a passenger on a District line train travelling between Notting Hill Gate and Wimbledon stations.
The suspect was identified, and while being apprehended, he assaulted one officer and racially abused another.
A 52-year-old man was arrested in connection with the incident and released under investigation pending further investigation.
Officers want to speak with anyone who witnessed the incident, especially a woman who identified the man to officers at Wimbledon station.
If you saw the incident or have any information that could help the investigation, please text BTP on 61016 or call 0800 40 50 40 and quote reference 700 of 20 May.
You can also call Crimestoppers anonymously at 0800 555 111.
Police are looking for witnesses and information in connection with an incident that began on a District line Tube
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