Micheál Martin said that the government should already have sought legal advice

Micheál Martin has called on the government to seek legal advice on the implications of Brexit for the Good Friday agreement amid fears it could undermine its legal standing.

The Fianna Fail leader said that Charlie Flanagan, the foreign affairs minister, should ask the attorney-general if the UK’s exit from the EU would compromise the guarantees of the 1998 agreement.

The Irish and UK governments are co-guarantors of the peace agreement, which is based on European human rights legislation that Britain has threatened to repeal.

Mr Martin said that the Irish government must seek legal advice and stressed that it should have done so already.

“This would have been a reasonable action from the minister in light of the challenges that a Brexit will pose