PASSENGERS who were on a Robin Hood Line service on Saturday March 17 are being asked for their help in tracing those involved in a fight.
British Transport Police (BTP) are investigating the fracas, which happened at 9.30 pm on the 8.55 pm Nottingham to Worksop service on the line, which serves Hucknall, Bulwell and Newstead.
Two men, aged 32 and 49, have been arrested and bailed pending further inquiries.
Police want to track down three other men.
Anyone with information is asked to contact BTP on 0800 405040, quoting background log NEA of June 14 2012.