first tonight, hunter biden s gun trial begins. the first trial of a child of a sitting president. the first lady there in that courtroom. also developing, president biden preparing a new executive order, a crackdown on the mexico border. it would shut down the border immediately to asylum seekers if daily migrant numbers hit 2,500. and what we re learning about this. in new york city tonight, those two nypd officers shot and wounded. chasing a robbery suspect. one shot in the chest, saved by his bullet proof vest. what shorts have now revealed about the suspect. this major heat wave already building tonight. temperatures well into the triple digits across several states. and the wildfire burning in california. the swimmer attacked by a shark off the coast. bitten on the chest, arm, and hand. witnesses on how the swimmer survived. israel s war with hamas. tonight, the israeli military now confirming the deaths of four more hostages in gaza. here in the u.s. tonigh
i heard this the scream. and you kind of know when it s a real scream, like, okay, that s that s not a that s not okay. reporter: it was around 9:00 a.m. when authorities say he encountered what is believed to be a juvenile white shark. despite sustaining significant injuries to his chest, arm, and hand, the 46-year-old managed to break free by punching the shark. kevin barrett part of that group, just feet away. when i got to him, it was it was pretty evident that he was, you know, many major distress. it was a little scary, because you don t know what you re swimming into. reporter: morning beachgoers, an e.r. doctor walking by, and life guards who were just arriving for work jumping into action. caleb, who regularly trains at the beach, was taken to a local hospital and is now in stable condition. researchers at cal state long beach immediately taking water samples and using a drone to try and locate the shark, but they were unsuccessful. past studies have shown 97%