On the heels of Iran's retaliatory strikes on the Al Udeid Air Base in Qatar, the largest U.S. base in the region, James Longman has the latest on the Israel-Iran conflict as Pres. Trump announces a ceasefire deal has been reached between Israel and Iran; Martha Raddatz has details on the assessment of how much damage was done to Iran's nuclear sites as the IAEA says nearly 900 pounds of enriched uranium is missing; Janai Norman has details on the heat wave that’s bringing oppressive temperatures and humidity to nearly half the country, and Ginger Zee has the forecast; and more on tonight’s broadcast of World News Tonight with David Muir.