A Garswood woman was assaulted on a train by a group of football hooligans.
The victim was travelled on the Wigan to Liverpool line between Huyton and Prescot when the incident happened.
A group of football fan, who police believe had been watching the Preston v Tramere match on Februay 9, boarded the train and began chanting and banging on the windows.
When the 42-year-old asked them to quieten down they turned on her.
PC Victoria Hodson said: “At this point another passenger stepped in to defend the woman and became involved in a physical confrontation with the Preston North End supporters.
“The victim tried to help the man who had intervened, but she was then assaulted and sustained injuries to her head causing swelling, concussion and whiplash.”
“The main aggressor was a white man, aged in his early 20s, was about six feet tall, had short red hair, and was wearing a short, dark blue sports jacket. He spoke with a Lancashire accent.
“The man who intervened, who we would also like to speak to, was white, in his early 40s, about five foot eight inches tall and had short, dark thinning hair. He was wearing a navy blue jacket, pink shirt and jeans.
Witnesses to the incident should call call British Transport Police on 0800 40 50 40 or ring Crimestoppers.