Suffolk Police have issued a CCTV image of a man they want to talk to in connection with the incident last month.
A verbal and physical confrontation reportedly took place between two men on Woodbridge Road at around 8.50pm on 22nd January.
One of the men then walked off in the direction of Phoenix Road following the incident.
Officers say they're keen to identify the man pictured as he may be able to assist with enquiries.
He's described to be in his late 30s, white, around six foot three inches tall, with facial stubble and tattoos on his arms.
If you can help, contact police on 101 quoting crime reference number 37/4595/20.