Pope Francis, batting double pneumonia in hospital, remained stable throughout the day on Tuesday and did not have any new respiratory crises, the Vatican said. Francis, 88, had suffered two episodes of what the Vatican described as "acute respiratory insufficiency" on Monday.

As Pope Francis remains hospitalized in Rome, thousands of faithful from around the world have been gathering by St.

Pope Francis has reportedly increased his physical therapy, despite his outlook remaining "guarded," according to the Vatican. He apparently underwent high-flow oxygen therapy during the day and non-invasive ventilation at night.