Pope Francis suffered two episodes of acute respiratory failure Monday, the Vatican said, a fresh setback in the worst health crisis of his papacy. The failures were prompted by significant buildup of mucus within his bronchi that caused a bronchospasm,

Pope Francis has been put back on mechanical ventilation after suffering ‘two episodes of acute respiratory failure’. The latest update on the pope’s health from The Vatican said he has undergone two bronchoscopies.

Pope Francis experienced another setback today with “two episodes of acute respiratory insufficiency” caused by “a significant accumulation of mucus in the lungs.”