Deadly Hurricane Debby hits Florida with high winds, heavy rains and flooding; Stock markets plunge amid fears of a recession; Biles wins silver in gymnastics floor, her fourth medal; and more on tonight's broadcast.

Taylor Swift concerts canceled in Austria after terror threat; Team USA continues medal run at Paris Olympic; Harris and Walz start battleground blitz, while Vance targets Walz's claim he carried weapons 'in war'; and more on tonight's broadcast.