terror on-campus. the fbi and atf now responding. [gunfire] fighting between the israeli army and hamas intensifies, as most of gaza becomes a battlefield. israeli forces are hammering targets behind me. they say they are now operating across the gaza strip. norah: record floods hit the northwest. the rescues underway with more rain in the forecast. meta is facing a disturbing new lawsuit. social media giant accused of enabling the exploitation of children. the alarming details and our tonight. norah: and remembering legendary producer norman lear, who brought us iconic sitcoms. [singing] norah: good evening, and thank you for being with us. we want to begin tonight with new developments at a shooting on a college campus just hours ago. we are just learning from law enforcement that multiple people were killed after a gun meant open fired inside the business school at the university of nevada, las vegas. tonight we have new reporting on the gunman and we wil