His pivotal speech tonight in prime time here on nbc. With the rematch now set against former president trump, mr. Biden looking to jumpstart his campaign. The major announcement hell make about a u. S. Led Emergency Mission in gaza, and what hell say about the border, abortion rights, and inflation. Also, terrifying takeoff. A United Airlines plane, the tire falling off, crushing a car below. The flight diverted. What were learning. The u. S. Army sergeant accused of selling the military secrets to china. The charges announced today. The trial of the father of a Michigan School shooter under way. Youll hear the tape played in court. The frantic 911 call he made the day of the massacre. The Severe Weather threat across the Southern Plains. Were tracking it. Inside the mission to air drop aid into gaza. Our Richard Engel aboard a plane bringing desperately needed relief. The report on the shooter who killed 18 people in maine. What a new analysis is revealing about his brain. And the am
hitting him?! reporter: disturbing video showing the violent arrest of a young black man following a failed traffic stop. they re using force. they re using a taser. they re wrestling him. they re using a baton. i m definitely having nightmares. reporter: and new russian air strikes on a ukrainian port, just one day after both nations approve a grain export deal. i m pamela brown in washington. you are in the cnn newsroom on this saturday. summer swelter. some 85 million americans have spent the day under heat warnings and advisories. blistering temperatures are baking much of the nation, from its midsection to the northeast, many are seeing triple-digit highs. extreme heat is helping fuel a wildfire near yosemite national park in california. the oak fire has raced across 6,500 acres in two days. there is zero containment and some rural community have said evacuated. and the northeast is taking the brunt of the oppressive heat. tomorrow s boston triathlon has be