Pope Leo XIV reacts next to a child as he arrives for a general audience in St. Peter's Square at the Vatican, October 8, 2025. REUTERS/Yara NardiPope Leo XIV reacts next to a child as he arrives for a general audience in St. Peter's Square at the Vatican, October 8, 2025. REUTERS/Yara NardiPope Leo urged the world's Catholics to help immigrants in his first major document, which was released on Thursday and invoked one of the late Pope Francis' strongest criticisms of US President Donald Trump's anti-immigration policies. It calls for widespread changes to the global market system to address rising inequality and to help people living paycheck-to-paycheck. DOCUMENT REFERENCES CRITICISM OF BORDER WALLSElected in May to replace Francis, Leo has shown a much more reserved style than his predecessor, who frequently criticised the Trump administration.