Police have launched an appeal after a report of indecent exposure on a London Bridge train.
The incident happened at around 4.40pm on Thursday February, 20. The train was travelling between West Croydon and London Bridge.
Detectives say the man pictured in the photos may have information that could help with their investigations.
They urged anyone who knows him to contact them by texting 61016 or by calling 0800 40 50 40.
In both cases, the reference number 453 of 20/02/20 should be quoted.
Alternatively, call Crimestoppers on 0800 555 111.