Iran vows retaliation for killing of Hamas chief, while Israel signals readiness

Iran is promising a "crushing and smart" retaliation for the killing of the Hamas leader in Tehran. Although not having claimed responsibility, Israel says its defenses are ready and its enemy will pay a high price for an attack (01:33). Chinese tennis player Zheng Qinwen has made "golden" history in the women's singles event in Paris (22:26). And the global equity market has taken a major hit as fears of a possible U.S. recession continue to grow among investors (36:28).