David Muir reports from the Vatican after the historic election of the first American pope. Less than 24 hours after being introduced, Leo XIV entered the Sistine Chapel to celebrate his first mass and spent time with the faithful, giving out blessings; Terry Moran reports on what the other American cardinals say happened inside the conclave that made history; Gio Benitez has the latest after radar screens went black again at Newark Liberty Airport for about 90 seconds on Friday. Just last week a similar radar outage forced the airport to cancel and delay thousands of flights; and more on tonight’s broadcast of World News Tonight with David Muir.

00:00 Intro
02:12 David Muir reports on U.S. Pope Leo XIV as he celebrates his first mass
10:55 America celebrates homegrown pope, Leo XIV
14:30 Pope Leo XIV described by fellow cardinals as a "bridge builder"
16:03 Radar screens at Newark Liberty Airport go offline, 3rd incident in two weeks
17:10 Pres. Trump signals he is open to lowering tariffs on Chinese goods
17:48 Former Supreme Court Justice David Souter dies at age 89
18:15 Tracking severe weather across the Northeast
18:38 Soviet-era spacecraft expected to crash back to Earth overnight
19:14 David Muir shares memorable images after historic election of Pope Leo XIV

ABC World News Tonight with David Muir delivers the news that matters most. Watch to get the latest news stories and headlines from around the world.

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