A former top Vatican official accused Pope Francis of having known of allegations of sex abuse by a prominent U.S. cardinal for five years before accepting his resignation last month and he called on the pontiff to resign.
In an 11-page letter given to conservative Roman Catholic media outlets during the Pope's visit to Ireland, Archbishop Carlo Maria Vigano said he had told Francis in 2013 that Cardinal Theodore McCarrick had faced extensive accusations of sexually abusing lower-ranking seminarians and priests.
Vatican officials declined immediate comment on the letter on Sunday.
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