Pope Francis, battling double pneumonia, remains in a critical condition for a second day running and has shown an "initial, slight insufficiency" in his kidney function, the Vatican said on Sunday. The prognosis for the 88-year-old pope,

Pope Francis rested overnight in the hospital, the Vatican said earlier Sunday, adding that his night "passed peacefully."

ROME — Pope Francis was conscious but still receiving high flows of supplemental oxygen Sunday following a respiratory crisis and blood transfusions, as he remains in critical condition with a complex lung infection, the Vatican said.