Team USA takes gold in women's gymnastics; Acting Secret Service chief says attempted assassination of Trump could have been prevented; Israel says it targeted Hezbollah commander in airstrike near Beirut; and more on tonight's broadcast.

Russia releases Gershkovich, Whelan and others in multinational prisoner swap; Biles strikes gold, again, in individual all-around competition; New fallout over Trump's remarks about Harris' racial identity; and more on tonight's broadcast.