Francis, 88, is in critical condition at a Rome hospital with a complex lung infection. The Vatican said he was "alert and spent the day in an armchair" on Saturday.

More clinical tests were being performed on the 88-year-old pope, who had part of one lung removed as a young man.

The update to Francis’s condition came Sunday in the written text of his regular Angelus prayer after he had been listed as “critical” on Saturday.

Pope Francis was in critical condition Saturday after he suffered a long asthmatic respiratory crisis that required high flows of oxygen, the Vatican said.

Pope Francis was in critical condition Saturday after he suffered a prolonged asthmatic respiratory crisis while being treated for pneumonia and a complex lung infection, the Vatican said. The 88-year-old pope,

Pope Francis, who has been hospitalized for over a week, is in critical condition after a "prolonged asthma-like respiratory crisis," the Vatican said Saturday. The pope is "more unwell than yesterday," the Vatican said in a statement.

Pope Francis, battling double pneumonia, remains in a critical condition and his prognosis is still guarded because of the "complexity" of his clinical condition, the Vatican said on Sunday. The pope was admitted to Rome's Gemelli hospital on February 14 after having trouble breathing for several days and subsequently had pneumonia diagnosed in both lungs.

Pope Francis was conscious but still receiving high flows of supplemental oxygen Sunday following a respiratory crisis and blood transfusions, as he remains in critical condition with a complex lung infection,