At around 6.45 pm on Saturday, January 10, a man travelling with his family was sitting on an Elizabeth Line train between Ealing Broadway and Slough. He then noticed a man opposite him committing the sex act. The man pictured in the CCTV ‘he may have information’ regarding the incident. The force said: “Anyone who recognises the man is asked to contact British Transport Police by texting 61016 or by calling 0800 40 50 40, quoting reference number 468 of January 10. “Detectives would like to speak to the man in the images as they believe he may have information that could help their investigation.