Pope Francis, in critical condition battling double pneumonia, had a "tranquil" night, was alert and had rested after a respiratory crisis and blood transfusions, the Vatican said on Sunday. The pope

Pope Francis was found to have pneumonia in both his lungs Tuesday and his condition remains "complex," the Vatican said in a health update on the 88-year-old pontiff who was hospitalized last week. The big picture: The pope was admitted to Rome's Agostino Gemelli Hospital on Friday with bronchitis symptoms and his treatment was changed after doctors found he had a polymicrobial infection of the respiratory tract.

The 88-year-old pontiff is in good spirits and is grateful for the prayers for his recovery, the Vatican said.