Bomb Found Hours Before Queen's Arrival In Ireland
Police said they discovered a small, viable bomb hidden in the luggage compartment of a bus near Dublin shortly before Queen Elizabeth II began the first visit by a British monarch to the south of Ireland in a century.
Source: http://www.npr.org/2011/05/17/136386896/bomb-found-hours-before-queen-arrives-in-ireland?ft=1&f=1004