Francis is being treated for pneumonia, a complex infection and kidney problems that have left him in critical condition. He did some light work on Monday.

Pope Francis "rested well" throughout the night and remained in a slightly improved condition on Tuesday morning as he continued to battle double pneumonia in hospital, the Vatican said."The Pope rested well,

Pope Francis, battling double pneumonia, remains in critical condition for the fourth day running but is stable and has not had any further respiratory crises, the Vatican said on Tuesday.