Police are continuing to investigate an alleged stabbing, on the Esplanade, on June 6.
A 29-year-old man from Doncaster was taken to hospital with non-life-threatening injuries.
A 44-year-old man and 39-year-old woman were arrested and released without charge.
A man, 40, of no fixed abode has been released on bail until mid-August.
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 The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.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