Detectives have released CCTV images of a man they would like to speak to after an assault left a man in his 40s needing eye surgery.
At around 6.40pm on Tuesday 11 November, a man on board the Eastbound District Line train from Sloane Square challenged a younger man who was vaping.
The pair began to argue, and as the train arrived at Westminster Underground station the argument spilled over onto the platform.
The younger man punched the him in the face, fracturing his cheekbone and breaking his eye socket requiring surgery and causing damage to his vision.
Officers would like to speak to the man pictured as they believe he may have information that could help with their investigation.
Anyone who recognises him is asked to contact British Transport Police by texting 61016 or by calling 0800 40 50 40, quoting reference 613 of 11 November.
You can also contact Crimestoppers anonymously on 0800 555 111.
