Police were called to a disturbance at a wedding reception (Image: Archant Norfolk Photographic © 2011)
A man was stabbed after trying to stop an argument between two other men.
The incident happened in Benezet Street, Ipswich, at around 4.45pm on Saturday.
The 38-year-old man was attempting to put a stop to the disagreement when a group of men approached him from behind.
The victim was stabbed with what is believed to be a key causing a small puncture wound.
He was taken to hospital where he received treatment for his injuries.
The offender was male, aged 30 to 35, of slim build, around 5ft 9ins and was wearing a white T-shirt and flip flops.
Witnesses or anyone with information should call DC Samantha Waight on 101.
Comments: Our rules
We want our comments to be a lively and valuable part of our community - a place where readers can debate and engage with the most important local issues. The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.
Please report any comments that break our rules.
Read the rules here