The newly elected pope's preparing to deliver his inaugural mass this Sunday. 

A number of world leaders are expected to attend, including Ukrainian President Volodymyr Zelenskyy and US Vice President JD Vance. 

Newstalk ZB's Jo McKenna is in Italy and told Mike Hosking Pope Leo has been very active in his first week of his papacy. 

She says he's made a number of unscheduled visits around Rome, repeating his message of world peace. 

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