Pope Francis is being treated with supplemental oxygen to assist him with breathing, the Vatican said Tuesday, a day after he suffered two episodes of acute respiratory failure. Francis is currently receiving oxygen again via a nasal tube,

Pope Francis had recovered enough Tuesday from two acute respiratory crises to no longer require noninvasive mechanical ventilation, the Vatican said, and was receiving just high flows of supplemental oxygen.

Pope Francis was breathing without a mask on Tuesday after suffering two bouts of acute respiratory failure, the Vatican said as the leader of the world's Catholics spent his 19th day in hospital with pneumonia.