Northern Ireland Parties Clarify Coalition Position

NI parties are setting out their positions on a Westminster coalition as formal talks between Labour and the Lib Dems are due to begin.The DUP said it was not ideologically opposed to a Lib-Lab agreement but would vote in the interests of NI.The SDLP said it would prefer an agreement between Labour and the Liberal Democrats.Gordon Brown, who is to step down as Labour leader, said talks with the Lib Dems were in the "national interest".NI parties react to Brown announcementBBC Northern Ireland political editor Mark Devenport explained the potential role for Northern Ireland MPs in a coalition.