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 is in critical condition and his "prognosis remains guarded" as he experienced a respiratory crisis Saturday morning requiring oxygen and blood transfusions, the Vatican said Saturday night.

Doctors on Friday said the 88-year-old Francis is "not out of danger" ​and that the main threat facing him would be the onset of sepsis.