The Gemelli hospital has been treating popes for more than thirty years.

Pope Francis's ninth night in hospital was peaceful, the Vatican said Sunday, the day after revealing the 88-year-old was in a "critical" condition.The pope had on Saturday suffered a prolonged respiratory attack and required blood transfusions,

The terse update comes as Pope Francis remains in critical condition following a respiratory crisis on Saturday that required high-flow oxygen therapy and a blood transfusion.