a gun and grenades hidden behind an mri machine. a stash of guns in a closet. military gear and uniforms. israel calling it proof hamas is using the hospital as a command center. hamas denying that. and what about the potentially thousands of civilians including dozens of premature babies taking shelter there? our team embedded with israeli forces in gaza. also tonight, face-to-face, president biden greeting chinese leader xi jinping in california. can the two leaders find a path to ease tensions? the deadly bus crash investigation. what we re learning about the six killed including three students. our nbc news exclusive, never-before-seen footage from the alec baldwin movie rust. baldwin seen firing a gun and speaking to the cinematographer later fatally shot. i m going to shoot right. want me to go on the outside of the camera? it comes as baldwin faces potential new charges. and she s been called the michael jordan of field hockey making history as the ncaa s