Black smoke rises from the chimney on the roof of the Sistine Chapel in Vatican City
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Rome conclave: Black smoke as cardinals fail to elect Pope

12 March 2013 Last updated at 19:34 GMT

Cardinals of the Catholic Church have failed to elect a new pope on their first day in the Vatican conclave.

Black smoke rising from a chimney above the Sistine Chapel indicated that their ballot had been inconclusive.

The 115 cardinal-electors will vote four times daily until two-thirds can agree on a single candidate.

Jon Sopel reports.