Sinn Fein president Gerry Adams has been ordered to give evidence in a civil case being brought by relatives of victims of the 1998 Omagh bombing.
Sinn Fein MPs Martin McGuinness and Pat Doherty along with two other republicans, Brian Gillen and Brian Keenan, have also been ordered to appear in court for the case, which was taken by relatives of some of the 29 victims.
Papers served in Belfast claim that Mr Adams and the other four led the IRA when a break-away was formed by the Real IRA.