Police are appealing for information after a man was assaulted on a Brentwood-bound train.
British Transport Police have released images of two men and two women they would like to speak to about the incident on Sunday, May 13.
A man, 42, from Billericay, was travelling on a train from Liverpool Street to Shenfield at about 12.15am.
During the journey, he got up from his seat and walked along the aisle towards the toilet when he accidentally knocked a man with his bag.
Detective Constable Tim Keep said: “A verbal altercation between the two took place, before the victim was punched several times in the face by the man.
“During the struggle, a second man then also punched the victim.”
The men got off with two other women, who are also believed to have been involved.
DC Keep added: “The victim’s contact with the man was completely accidental, and he had not intended to harm him in any way.
“There were other passengers on the train at the time and I’m sure there are people who have information that we haven’t spoken to yet.
“If you recognise the people pictured, or know their whereabouts, then please get in touch.”
Anyone with information can call the British Transport Police on 0800 40 50 40 or texting 61016 quoting B5/LNA of 03/06/2013 or Crimestoppers anonymously on 0800 555 111.
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