CCTV images have emerged of an attack outside Eastbourne Railway Station, which left a man unconscious.
It happened at the taxi rank on Sunday 12 June at 4.30am and also left the man needing stitches to his head.
British Transport Police have released images of four people they want to talk to.
Investigating officer DC Vanessa Cottington said, “I am keen to speak to the people in the CCTV images as I believe they have vital information that could help us solve this crime. The man was badly hurt and I would like to speak to anyone who was in the area at the time and may have witnessed the assault.”
Anyone with any information should contact British Transport Police on 0800 40 50 40 or text 61016 quoting reference 223 of 15/07/2016.