Tonight, several developing stories as we come on the air, the fallout after Israel and Hezbollah launch major attacks against each other. 50 million Americans under heat alerts and flash flooding at the Grand Canyon with multiple rescues. the search for a missing hiker. And Vice President Harris raised more than a half billion dollars. 1. The major escalation in the Middle East, Israel launching a wave of air strikes on Hezbollah, saying the militant group was planning an extensive attack. Hezbollah firing back on Israel with drones and rockets. Tonight, the tensions easing, but two U.S. aircraft carriers have been ordered to remain in the region. What? Need for hopes for a ceasefire in Gaza as talks continue. 2. Near 50 million Americans under heat alerts from the Great Plains to the upper Midwest. The heat expected to fuel severe storms as the work week begins. Flash flooding at the Grand Canyon, the National Guard called in to rescue hikers. And the search continues for a woman swe...