Northern Ireland's First Minister has given an ultimatum - which could see the devolved government he leads break up.

Peter Robinson wants the Stormont Assembly suspended by tomorrow, or his Democratic Unionist ministers will resign.

It follows new arrests over the murder of former IRA member Kevin McGuigan.

One of those in custody's a senior figure in Sinn Fein.

Deputy First Minister - and Sinn Fein member Martin McGuinness - has given his reaction.

The Minister for Foreign Affairs is urging the North's political leaders to - pull back from the brink.

Charlie Flanagan's issued a statement this evening - urging parties to continue with the emergency negotiations - which began last night.

Minister Flanagan says the talks are an opportunity to move forward positively - in the best interests of the people of Northern Ireland.