Pope Francis experienced more respiratory problems and went on noninvasive ventilation on Monday, the Vatican said, as the head of the Roman Catholic Church battles double pneumonia in the hospital.

Pope Francis suffered two new acute respiratory crises Monday and was put back on noninvasive mechanical ventilation, in another setback to his battle to fight pneumonia, the Vatican said. Doctors extracted “copious” amounts of mucus from his lungs during two bronchoscopies,

Pope Francis, in hospital fighting double pneumonia, had a peaceful night and is resting, the Vatican said on Sunday. The Vatican said on Saturday evening that the 88-year-old pontiff's condition was stable,