The Vatican says that Pope Francis has suffered two new episodes of acute respiratory crises and has been put back on noninvasive mechanical ventilation

Pope Francis' approach to LGBTQ issues marked a major, if mixed, shift in tone for the Catholic Church -- from scorn to tolerance and acceptance.

The pontiff had no fever and no signs of new infection, and continued his respiratory therapy, the Vatican said.

Pope Francis is alert after suffering two episodes of "acute respiratory failure" on Monday afternoon, the Vatican has said. Doctors were forced to intervene to clear mucus from the Pope's lungs, an update from the Holy See said,