12/04/2013. Sinn Fein Ard Fheis. Deputy First Minister of Northern Ireland, Martin McGuinness delivers his keynote address at the Royal Theatre Hotel in Castlebar, Co Mayo on the first evening of the party's Ard Fheis. Photo: Laura Hutton/Photocall Ireland

The North's Deputy First Minister Martin McGuinness has acknowledged tensions within the Northern Executive between unionist and nationalist Mi(...)

12/04/2013. Sinn Fein Ard Fheis. Deputy First Minister of Northern Ireland, Martin McGuinness delivers his keynote address at the Royal Theatre Hotel in Castlebar, Co Mayo on the first evening of the party's Ard Fheis. Photo: Laura Hutton/Photocall Ireland

The North's Deputy First Minister Martin McGuinness has acknowledged tensions within the Northern Executive between unionist and nationalist Minist(...)