Another man’s been arrested over the murder of Kevin McGuigan in Belfast last week.
The 60-year-old was held in the east of the city this morning.
The killing could have big ramifications in Northern Ireland – after police suggested IRA members may have been involved.
First Minister Peter Robinson is going to hold talks with other parties about excluding Sinn Fein from the power-sharing government.
The North’s Justice Minister David Ford says there will be serious implications if the IRA is involved: