Pope Francis remains in a critical condition with blood tests showing early kidney failure, but he is alert, Vatican officials have said. The 88-year-old pontiff, who is battling pneumonia and a complex lung infection , even managed to attend Mass from the hospital on Sunday, in a strong statement of support for his followers. In a late update, the Vatican said Francis hadn't had any more respiratory crises since Saturday night but was still receiving high flows of supplemental oxygen. Some