The northern chairman of Sinn Féin has been arrested by police investigating the murder of former IRA member Kevin McGuigan in Belfast last month.
Bobby Storey is one of three men aged 59, 58 and 45, who were detained in the city this morning.
Police have arrested at least 13 people in relation to the murder of the father of nine so far – all have been released without charge.
Sinn Féin’s Martin McGuinness says he’s surprised at the arrest and is confident of Mr Storey’s early release.
Belfast based security correspondent Alan Murray says Mr Storey is a very senior republican and is close to Sinn Féin president Gerry Adams: