British Transport Police are looking for the man pictured above after a 13-year-old boy was sexually assaulted as he left Southgate Tube station in London with his family.
The incident happened shortly before 7pm on Wednesday October 29.
Anyone with information is asked to contact British Transport Police on 0800 40 50 40, or text 61016, quoting reference TSUB/B7 of 03/12/2014. Information can also be passed anonymously to the independent charity Crimestoppers on 0800 555 111.
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