CASTEL GANDOLFO, Italy, March 31 (Reuters) - Pope Leo urged U.S. President Donald Trump on Tuesday to look for an "off-ramp" to end the Iran war, in a rare direct appeal from the pontiff as the regional conflict expands.

Pope Leo led a candle-lit service with thousands of Catholics inside Rome's famed Colosseum on Friday evening that featured prayers for war orphans ​and deported immigrant children, and a warning to ...