Catholic leaders called upon the faithful to pray for Pope Francis in Italy and his native Argentina on Wednesday, after the 88-year-old pontiff was diagnosed with pneumonia the previous day.

Pope Francis remained at the Gemelli Hospital on Tuesday night in Rome still requiring supplemental oxygen. At 88, Francis has lived for decades with only part of his lungs after a respiratory infection prompted surgery in Argentina.

Valentina Fernandez poses for a picture holding an image of Pope Francis after a Mass to pray for his health at Constitution Square in Buenos Aires, Argentina, Monday, Feb. 24,

A woman holds religious images during a Mass to pray for Pope Francis' health at Constitucion square in Buenos Aires, Argentina, Monday, Feb. 24, 2025. (AP Photo/Natacha Pisarenko)

Walter Espindola wears a shirt with the image of Pope Francis upon arriving at a Mass to pray for his health at Constitucion square in Buenos Aires, Argentina, Monday, Feb.

Women kiss during a prayer for Pope Francis' health at Constitucion square in Buenos Aires, Argentina, Monday, Feb. 24, 2025. (AP Photo/Natacha Pisarenko)

Catholic faithful in Argentina have been praying for Pope Francis' recovery. The pontiff, 88, who is from Argentina, remained in a critical condition on Sunday after he suffered a prolonged

Argentines pray for Pope Francis' health at Buenos Aires cathedral Mass

The Vatican says Pope Francis remains in critical condition and blood tests show early kidney failure but he remains alert and “well-oriented.” Prayers for him poured in from around the world, from his native Argentina to the seat of Sunni Islam in Cairo to schoolchildren in Rome.

Jorge Mario Bergoglio, aka Pope Francis, arrived to Ireland in January 1980, during the bleak Haughey-era economic recession. He lived in Dublin trying to improve his English and study at the College of Philosophy in Milltown.