Alex Stone has harrowing details on what unfolded inside Silver Rail Elementary in Bend, Oregon after police say a 16-year-old former student opened fire, killing three children and a teacher – and the heroes who helped stop the shooter; Rachel Scott reports on White House press secretary Katie Zacharia “transiting out”of her role after five days on the job, ABC News has confirmed; Whit Johnson shares the spectacular demonstration of Tesla’s new "flying car” that can accelerate from 0 to 60 mph in under a second; and more on tonight’s broadcast of World News Tonight with David Muir.
00:00 Intro
02:13 Heroic fight to take down alleged teen gunman in deadly Oregon elementary school shooting
07:30 Wind drives wildfires in the West as cross-country storms march east
10:05 Katie Zacharia "transitioning out" of White House press secretary role after 5 days
12:08 Judge dismisses child sex abuse indictment against actor Timothy Busfield
13:34 Actress Selma Blair breaks her silence following arrest on passenger plane
13:51 Rare access inside the combat center monitoring Iranian threats
15:55 American journalist says she was attacked by Israeli settlers in the West Bank
16:56 Authorities: Fatal alligator attack in Winter Garden, Florida
17:01 Southern Nazarene University football player dies after traumatic game injury
17:20 Sean "Diddy Combs moved to low-security facility following head injury
17:54 Billy Joel shares update on his medical condition, future as a performer
18:16 Sherri Shepherd makes “Aladdin” debut on Broadway as first female genie
18:41 Elon Musk unveils Tesla's "flying car" more than a decade in the making
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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