Top news from the United States.
Apple's iPhone expected to drive sales, but App Store faces regulatory risk
Gymnastics-Biles out of team event as Russians beat U.S. to gold
Protest rules at Tokyo Games not transparent-German athletes group
Air France flight made emergency landing in Bulgaria over disruptive passenger
Exclusive: China's internal security force on frontlines of Hong Kong protests
Kremlin critic Navalny posts picture with family from hospital