Pope Francis remains in critical condition, according to the Vatican, with blood tests showing mild signs of kidney failure “which is currently under control,” the Vatican said Sunday, as the 88-year-old pontiff battles pneumonia in both his lungs.

ROME — Pope Francis remained in critical condition Sunday and blood tests show early kidney failure but he remains alert and “well-oriented,” and attended Mass, the Vatican said, as the 88-year-old pontiff battles pneumonia and a complex lung infection.

Pope Francis, in critical condition battling double pneumonia, had a "good" night in hospital, slept and is resting, the Vatican said on Monday. The 88-year-old pope was admitted to Rome's Gemelli hospital on February 14 after having trouble breathing for several days,