A heavy security cordon was erected along the main routes outside Leinster House on Wednesday as politicians returned from the summer recess.

Presidential candidate Catherine Connolly said there was a need to ‘double down on strengthening UN structures’.

Dr Tony Holohan has cited concerns over the potential impact on his friends and family as he ruled himself out of contention for president.

The choreographer’s plans emerged during a High Court case.

Speaking on RTÉ radio’s Morning Ireland, Mr Martin said that Fianna Fáil will consider a candidate in the coming weeks after taking “soundings” from people within the parliamentary party.

An election for the largely ceremonial role is expected towards the end of October.

At least one local authority has convened a meeting to discuss how to respond if McGregor seeks its nomination