In August 2006, the loyalist paramilitary Ulster Volunteer Force claimed they had planted a bomb in the Mansion House in 1981, in an attempt to wipe out the Sinn Féin leadership at their party conference of that year.
I august 2006 hævdede Ulster Volunteer Force at de havde plantet en bombe i huset i 1981, i et forsøg på at dræbe ledelsen i Sinn Féin under deres årlige partikonference.