(CNN) -- The heart of a 900-year-old saint has vanished from Christ Church Cathedral in Dublin, Ireland, police and the Cathedral said.
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Catholics often preserve body parts from saints, believing they should be venerated. When Pope John Paul II was declared "blessed" -- a step below sainthood -- last year, a vial of his blood was displayed as a relic.
MORE: http://www.cnn.com/2012/03/04/world/europe/ireland-saint-heart-missing/index.html?hpt=wo_c2