Irish Deputy PM optimistic over Northern Irish devolution, Brexit permitting

Ireland's deputy prime minister said he was "very optimistic" that Northern Ireland's feuding parties could agree to revive the province's power-sharing government this year, provided a Brexit deal is agreed by the end of March.The British province has been without a devolved executive for two years, since Irish nationalists Sinn Fein withdrew from the compulsory power-sharing government with their arch-rivals the Democratic Unionist Party (DUP).The executive is central to a 1998 peace deal that