Pope Francis had a nightly ritual for the last 18 months of his life; calling Gaza’s only Catholic Church throughout the war. CNN’s Jeremy Diamond spoke to the church’s priests about their special bond with the pope.

Pope Francis died on Monday, April 21, after being released from hospital on March 23, following a five-week stay which saw him struggle with double pneumonia and its various complications. He was 88.

Pope Francis's funeral is on Saturday, and now's the time to familiarize yourself with a few Catholic terms and phrases that you will hear this week.

Worshippers will flock to the Vatican in the coming days to farewell Pope Francis, including the Cardinals who will elect his successor. Former representative to the Holy See, Sir David Moxon, says the Pope chose most of the Cardinals - so he'd expect them to value a warm and loving Church.

The death of Francis was announced by Cardinal Kevin Farrell , the Irish-born Vatican camerlengo, a position that will be important in the coming weeks as he takes charge of the administration of the Holy See until a new pope is elected.

An Irish-born American cardinal was entrusted by Pope Francis to be the camerlengo, the Vatican official who runs the Holy See after the death of one pontiff and before the election of another.

Following Pope Francis' death Monday at age 88, the Vatican will have an acting head until a new pontiff is chosen during the conclave process. That acting head, or camerlengo, is Cardinal Kevin Farrell,