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, hospitalized for more than two weeks with pneumonia in both lungs, suffered two acute respiratory failures, requiring intervention, the Vatican says.

Pope Francis has been hospitalized at Rome’s Gemelli Hospital since mid-February, where he has been battling double pneumonia. On Friday, he had a sudden respiratory episode, which required him to receive an oxygen mask. His current hospitalization is his fourth - and now longest - stay since he became pope in 2013.