April 21 (UPI) -- Pope Francis died Monday morning in the Vatican City, less than a day after greeting a huge Easter Sunday gathering of Catholics in St. Peter's Square and issuing a plea for world peace. He was 88. The Vatican camerlengo, Cardinal Kevin Farrell, said in an announcement that the pontiff died at around 7:35 a.m. local time in his official residence in the Vatican's Casa Santa Marta building. "At 7:35 this morning, the Bishop of Rome, Francis, returned to the house of the Father.