Police are releasing CCTV images today after a woman was racially abused on board a Bedford train.
At approximately 12.30pm on 21 September, the woman was travelling on a Thameslink service between Gatwick Airport and Bedford when she was verbally abused by a man.
The man was threatening the woman with violence, saying that he had acid and intimated he had a knife. He also used racially offensive language.
Officers believe the man shown in this CCTV image may have information which could help them investigate.
If you know who he is, contact BTP by sending a text to 61016 or call 0800 40 50 40 quoting reference 1800069959.
Or you can ring Crimestoppers anonymously on 0800 555 111.