The Vatican says it is unclear how long Pope Francis will stay in hospital and he will not lead Sunday’s Angelus prayer after he was admitted on Friday with a respiratory tract infection.

Pope Francis, who is receiving treatment in hospital for a respiratory tract infection, will not appear in public on Sunday to lead his usual weekly prayer with pilgrims, the Vatican said. The pontiff,

Pope Francis was hospitalized Friday for the fourth time since being elected in 2013, after he was diagnosed with bronchitis last week. Francis had part of one lung removed as a young man and has recurring bouts of bronchitis,