Mary Bruce has details on the release of American citizens Evan Gershkovich, Paul Whelan, and Alsu Kurmesheva from Russia in a 24-prisoner exchange after painstaking negotiations, and Whit Johnson speaks with Whelan’s twin brother, David, about how the swap unfolded and what happens next; Maggie Rulli reports on Team USA’s day at the Paris Olympics, where gymnast Simone Biles and swimmer Katie Ledecky made history; Matt Rivers has new details on the assassination of Hamas leader Ismail Haniyeh in Tehran, with sources confirming he was killed by an explosive smuggled to his room months ago as part of an Israeli plot; and more on tonight’s broadcast of World News Tonight with David Muir.

00:00 Intro
01:49 Americans Evan Gershkovich and Paul Whelan freed in historic prisoner swap
09:02 Paul Whelan’s twin brother opens up about his brother’s wrongful detainment in Russia
12:17 Simone Biles and Katie Ledecky win for team USA at Paris Olympics
14:07 Trump doubles down on falsely questioning racial identity of VP Kamala Harris
16:10 Sources: Hamas leader killed by explosive device stashed in room months ago
17:32 Sharp stock market drop fueled by weak employment, manufacturing, construction data
18:01 Ammonia leak in Virginia sends dozens to the hospital
18:24 170 million Americans under heat alerts from coast to coast
18:47 Katie Ledecky and Simone Biles make history at Paris Olympics

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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