Vatican officials announced on Sunday that Pope Francis is currently suffering from "mild renal insufficiency" amid his treatment for bilateral pneumonia.

Francis, 88, is in critical condition at a Rome hospital with a complex lung infection. The Vatican said he was "alert and spent the day in an armchair" on Saturday.

ROME (AP) — Pope Francis woke up and was continuing his therapies Monday ... was alert, responsive and attended Mass. They said his prognosis was guarded. Doctors have said Francis’ condition is touch-and-go, given his age, fragility and pre-existing ...

The 88-year-old pontiff, who has been hospitalized for more than a week, had a restful night after receiving oxygen and a blood transfusion on Saturday, the Vatican said.

Catholics from across Argentina have flocked to churches to pray for the recovery of native son Pope Francis, the first Latin American pope in history.

Hundreds gathered for Sunday mass at New York City’s St. Patrick’s Cathedral to pray for Pope Francis, who remains in critical condition after he was diagnosed with double pneumonia.

The Rev. Michael Duffy, the rector at St. Agnes, the seat of the Diocese of Rockville Centre, addressed the pope’s condition during the 9:30 a.m. Mass. He began his sermon by asking the attendees to pray for the pontiff.

Boston Catholics joined millions around the world in praying for Pope Francis this Sunday as his health took another turn for the worse.