Thomson ReutersFebruary 25, 2013 09:16
* Catholic Church rules changed to allow early conclave
* British cardinal resigns, will not vote for new pope
* "Vatileaks" report kept private, for next pope's eyes only (Adds details on Mahony, quotes, background)
By Philip Pullella
VATICAN CITY, Feb 25 (Reuters) - A senior cleric resigned under duress on Monday and Pope Benedict took the rare step of changing Vatican law to allow his successor to be elected early, adding to a sense of crisis around the Roman Catholic Church.