Pope Leo XIV had a phone call with Ukrainian President Volodymyr Zelenskiy on Monday and spoke about ceasefire proposals, Zelenskiy said, in the first known conversation between the newly-elected pontiff and a foreign leader.

Cardinal Robert Francis Prevost has become the first-ever American elected as the leader of the Catholic Church -- now known by his pontifical name of Pope Leo XIV. The 69-year-old, born on the Southside of Chicago, is seen as a diplomat of the church and was an important adviser to his predecessor, Pope Francis.

Pope Leo XIV has called for a just and lasting peace in Ukraine and an immediate ceasefire in Gaza with the release of hostages and delivery of humanitarian aid.