British Transport Police (BTP) are looking for anyone who recognises this man.
BTP is investigating an incident that occurred on the London Underground.
A man began threatening women on board the service on the 26th May at around 10:45pm.
The victims were on an eastbound district line service when a man sat down, knocking a pregnant woman and spilling a drink.
The woman asked him to be careful, where he then became abusive to her and another woman, making threats and comments to them.
Officers are asking if anyone recognises the man in the CCTV images, as they believe he may have information that will aid their investigation.
British Transport Police are asking if anyone has any information and recognises him to contact them by texting 61016 or by calling 0800 40 50 40 quoting reference 754 of 27 May.
if anyone would like to report anonymously, they can call Crimestoppers on 0800 555 111.
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