Police want to question a group of West Ham football supporters over antisemitic chanting on a train.
The British Transport Police has released images of the five men who several witnesses have accused of singing antisemitic song after a match with Leicester City on August 15.
The men were on the 7.03pm from Watford Junction to Birmingham New Street, and are believed to have got off the train at Northampton.
PC Michael Botterill reported that a passenger on board heard the chanting start as the train pulled away from Watford Junction.