Matt Rivers has the latest on the gunman with a semi‑automatic rifle opening fire in broad daylight outside Boston in Cambridge, appearing to shoot at random, sending people running for their lives; Victor Oquendo has details on new concerns about whether the hantavirus could spread more easily than initially thought as one of 18 U.S. passengers evacuated from the luxury cruise ship tests positive for the virus, and another shows mild symptoms; ABC News' Diane Sawyer shares a first look at her new special that highlights the final decade of Richard Simmons' life after he disappeared from the public view; and more on tonight’s broadcast of World News Tonight with David Muir.
00:00 Intro
02:17 Gunman in Cambridge shoots into traffic, injuring at least 1
04:04 American passenger tests positive for hantavirus as 18 arrive in the U.S. for quarantine
07:35 Trump says ceasefire on "life support," declares Iranian proposal a "piece of garbage"
09:27 Probe into runway death at Denver airport after security breach
11:12 Search underway after deadly stabbing at University of Washington in Seattle
11:34 FSU shooting victim's family suing OpenAI, alleges ChatGPT helped gunman plan attack
13:27 Texas man accused of murdering pregnant wife seeks asylum in Italy
14:22 Investigation into deaths of 6 people in rail boxcar
14:39 Raging wildfires scorch thousands of acres in Florida
15:04 Martin Short opens up for the first time on daughter’s death
15:30 Spring & Mulberry voluntarily recalls select chocolate bars over salmonella risk
15:45 London rooftop where The Beatles played last gig to become museum
16:11 Diane Sawyer goes inside hidden world of Richard Simmons
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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