ROME (AP) — Pope Francis remained in critical but stable condition Tuesday, with his blood parameters remaining stable as he works from the hospital while battling double pneumonia, the Vatican said.

Pope Francis, who is in critical condition with double pneumonia, is alert and has met Vatican officials in hospital to discuss work issues, the Vatican said on Tuesday. The 88-year-old pope was spending his 12th day at Rome's Gemelli hospital,

The 88-year-old Francis has pneumonia in both lungs and remains in critical condition despite showing a slight improvement after 11 days in the hospital.