A woman was sexually assaulted in a late-night attack on board a train.
At about 11.15pm on June 23 a woman, travelling with a friend on the Metropolitan Line from Wembley Park, was sexually assaulted by a man.
British Transport Police are investigating the attack and have released an image of a person they believe may have information that could assist their enquiries.
BTP provided the following places you can reach out to.
"Anyone who recognises him or has any information is asked to contact BTP by texting 61016 or by calling 0800 40 50 40, quoting reference 60 of 24 June."
"Alternatively, you can contact Crimestoppers anonymously on 0800 555 111," BTP added.
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