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.

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,

ROME — Pope Francis was in critical condition Saturday after he suffered a prolonged asthmatic respiratory crisis while being treated for pneumonia and a complex lung infection, the Vatican said.