A new trip canceled for the pope.
Francis announced on Friday that he would not attend the funeral of Elizabeth II, scheduled for Monday at Westminster Abbey in London.
The Vatican's foreign affairs "minister", "Bishop Paul Gallagher, will represent Pope Francis," the Vatican said in a statement.
For several months, the state of health of the Sovereign Pontiff has been worrying.
Although he has just made a three-day visit to Kazakhstan, he recently canceled several trips abroad.
Read alsoIn the Vatican, the state of health of Pope Francis fuels rumors about his possible resignation
The pope said Thursday that his knee was "not yet cured".
However, he announced that a visit to Bahrain in November was under consideration.
He also mentioned February 2023 as a possible date for a visit to the Democratic Republic of Congo and South Sudan, scheduled for July but postponed due to knee pain.