Fianna Fáil leader Micheál Martin has said he believes there are some Sinn Féin representatives in the Dáil and the Northern Assembly who are part of an IRA Army Council.
It is after a report by the PSNI and MI5 earlier this week claimed the IRA still maintains an army council and has control over Sinn Féin.
A separate Garda report found no evidence that the IRA Army Council has any function or operation south of the border.
Micheál Martin has said he believes it does still exist and some Sinn Fein representatives are on it.
“I think there is a very strong sense that they do and the report says that IRA members believe they set the over arching strategy that governs the political project of Sinn Féin,” Mr Martin said.
“The problem is of course that there is a lot of overlapping and it is very difficult to ascertain who is who at any one given time.”