Overview
- The incident happened on November 7 on the 5.50pm Formby to Liverpool Central service.
- Police say the man sat behind the woman and tried multiple times to ignite her hair.
- A passenger next to the victim noticed what was happening, alerted her, and later spoke with her.
- A 37-year-old man from Liverpool has been arrested on suspicion of common assault as the investigation continues.
- Officers ask that passenger and his female companion, or anyone with information, text 61016 or call 0800 40 50 40 quoting reference 657 of 7 November, or contact Crimestoppers on 0800 555 111.