Gardaí have said that a person referenced in an online news article is not a person of interest in the investigation into the knife attack at Parnell Square in Dublin last Thursday.
In a statement, gardaí described the article, which appeared on Gript.ie, as "highly inaccurate".
Gardaí said they contacted the online news outlet and it has agreed to remove the article.
In the statement, gardaí said: "The online news outlet did not contact the Garda Press Office before publication.
"An Garda Síochána is aware of some social media posts resulting from the article that purport to identify the individual and has put in place measures to ensure the safety of the individual."
In a statement, Gript Media said: "This morning, just after 9am, more than 17 hours after the story that appeared on this page on Gript.ie was published - and after media outlets elsewhere had first been informed - the Garda Press Office contacted Gript to say that the unnamed person referred to in the story that appeared at this link yesterday, is not, in fact, a person of interest in the events of last Thursday."
Gript Media said its original reporting was sourced from a member of An Garda Síochána and it was further cross-checked against publicly available records.
It said that while the name of the suspect was not reported, that name was put to a senior official on the basis of an informal "cross-check" before publication.
In the statement, Gript Media said: "We are investigating the circumstances of this error, including giving due consideration to the question of whether this media outlet was deliberately deceived by a senior official.
"If we determine that to have been the case, then our obligation to protect the anonymity of those sources will be considered forfeit."
When questioned about the incident, the Minister for Justice said she would not comment but said that everyone should take responsibility for any content they share or pass on.
Helen McEntee said that people should think before they share things that might be part of an investigation.
"There has been a lot of misinformation spread since last Thursday on a lot of different matters that can be hugely disruptive to investigations but also can be hugely upsetting to maybe people," she said.
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In a statement posted to X, formerly Twitter, the editor of Gript Media John McGuirk said it had been a bad morning.
"We got something wrong, and that is my responsibility, and mine alone. It does not, and should not attach to my colleagues," Mr McGuirk wrote.
"We are investigating all the circumstances that led to the error, but there clearly was an error, and I want to apologise to our readers, who deserve better," he added.
Mr McGuirk said their reporting was sourced from trusted individuals who have never provided them with false or misleading information before and added that it was also cross-checked with a trusted official.
"Obviously we will now have to establish and investigate their role in this, as well as our own processes, and will now do so," Mr McGuirk said.
