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 remained in critical condition Monday but showed slight improvement in laboratory tests and resumed some work activities, including calling a parish in Gaza City that he has kept in touch with since the war there began,

The 88-year-old’s critical condition was a setback for hopes that he might recover from his recent fight with bronchitis and pneumonia.