Vatican officials announced on Sunday that Pope Francis is currently suffering from mild renal insufficiency, also known as kidney failure, amid his treatment for bilateral pneumonia.

Pope Francis, battling double pneumonia, remains in a critical condition and his prognosis is still guarded because of the "complexity" of his clinical condition, the Vatican said on Sunday. The pope was admitted to Rome's Gemelli hospital on February 14 after having trouble breathing for several days and subsequently had pneumonia diagnosed in both lungs.

Pope Francis, who has been hospitalized for over a week, is in critical condition after a "prolonged asthma-like respiratory crisis," the Vatican said Saturday. The pope is "more unwell than yesterday,