Pope Francis was resting on Tuesday after he suffered further setbacks in his fight against double pneumonia – two new acute respiratory crises that required him to resume using non-invasive mechanical ventilation to breathe.

Pope Francis on Monday suffered two attacks of "acute respiratory insufficiency," the Vatican said, as the 88-year-old continues his health fight.

Pope Francis was up and receiving therapy on Monday after apparently overcoming a setback in his recovery from pneumonia. The Vatican said he is stable, off mechanical ventilation and is showing