Deadly Knife Attack in French Church Is Terrorism, Officials Say

NICE, France — A terror attack that killed three people in Nice on Thursday left France increasingly embattled at home and abroad, as the government called for toughening measures against Islamist extremism, amid rising tensions with Muslim nations. A knife-wielding assailant left two people dead in Nice’s towering neo-Gothic basilica, including a 60-year-old woman who was nearly decapitated, and a third victim died after taking refuge in a…