DO you recognise these men? British Transport Police (BTP) like to speak to them after an assault at Chafford Hundred station.
The 49-year-old victim received an injury to his nose.
Officers would like to speak to the men in these images as they believe they may have information which could help the investigation.
Anyone with information is asked to contact BTP on 0800 40 50 40 or text 61016 with reference 199 of 27 December.