Garda Commissioner Drew Harris has said he will speak to senior officers following claims by a former IRA member that he was behind the death of Lord Mountbatten (pictured).
Arrests of man and woman (40s) follow first two arrests in the case in March, with criminal investigation into service station explosion now gathering pace
Garda managers will not face disciplinary sanctions over a controversial investigation that saw a detective garda suspended for three years over giving an unwanted bicycle to an elderly man during the pandemic.