A statement said that Pope Francis had agreed with the decision but did not say whether it was the pope's idea that O'Brien should leave for what the Vatican said would be "several months for the purpose of spiritual renewal, prayer and penance".
The statement did not say where the Cardinal was going.
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Heavy rain will move into Northern Scotland today, and the winds will become strong here through the afternoon.
Mr Trump addressed thousands of supporters in Florida on Tuesday and responded to the mixed reviews he received during the debate.
Parents in Anglesey, North Wales, will have to show birth certificates in order to prove their child's age and qualify for the scheme.