World reacts to Pope's resignation

Workers remove a painting of Pope Benedict XVI from the press conference room after the head of Spain's Catholic Church and President of the Bishops' Conference Cardinal Antonio Maria Rouco Varela addressed a news conference in Madrid

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Pope Benedict left the Catholic world in shock after becoming the first pontiff since the Middle Ages to resign his office, saying that failing strength had left him unable to lead the church through a period of relentless change and turmoil.

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