He is calling for humanitarian corridors for refugees.
Rome lights up the Colosseum with the colors of the Ukrainian flag.
Thousands of Ukrainians are heading west, away from combat zones, and towards the city of Lviv, near the Polish border.
It's part of the official schedule for his papal visit to Malta, where he will visit a shelter for migrants. This is the official website for the Pope's trip to Malta, which is scheduled for April 2 and 3.