Pope Francis has shown “a slight improvement” in his health while being hospitalized for double pneumonia, but he is still considered to be in critical condition. The 88-year-old has spent the last 10 days in a Rome hospital.

ROME (AP) — Pope Francis remained in critical condition Monday but showed slight improvement in laboratory tests and resumed some work, the Vatican said, including calling a parish in Gaza City that he has kept in touch with since the war there began.

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