Pope Francis has developed pneumonia in both lungs, the Vatican said Tuesday, after new tests showed a further complication in the condition of the 88-year-old pontiff that raised concerns about

Pope Francis has developed pneumonia in both lungs as he remained hospitalized Tuesday in Rome, according to the Vatican, which called the 88-year-old's condition "complex."

Pope Francis has the onset of double pneumonia, the Vatican said on Tuesday, complicating treatment for the 88-year pontiff and indicating a further deterioration in his fragile health. Francis has been suffering from a respiratory infection for more than a week and was admitted to Rome's Gemelli Hospital on February 14.