By Joshua McElwee
A teenager who died of leukaemia in 2006 became the first Catholic saint of the millennial generation on Sunday, in a Vatican ceremony led by Pope Leo and attended by an estimated 70,000 young worshippers from dozens of countries.
Carlo Acutis, a British-born Italian boy who died aged 15, learned computer code to build websites to spread his faith. His story has drawn wide attention from Catholic
