The Ulster Unionist Party's planning to pull out of Northern Ireland's power-sharing government over claims the Provisional IRA still exists.
It's after police linked the murder of ex-IRA member Kevin McGuigan to members of the group.
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But it denies orchestrating the attack.
The Minister for Foreign Affairs Charlie Flanagan says he believes the interests and welfare of the people of Northern Ireland are best served by an inclusive power-sharing executive.
Sinn Fein politician Gerry Kelly thinks Ulster Unionist leader Mike Nesbitt's decision is politically-motivated.
