Pope Francis, who is in critical condition in hospital battling double pneumonia, is alert, rested well throughout the night and is continuing his treatment, the Vatican said on Tuesday. The 88-year-old pope is spending his 12th day at Rome's Gemelli hospital,

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.