North Carolina Lt. Gov. Mark Robinson denies reports of disturbing comments; Lebanon hit with Israeli airstrikes today following device explosions; One group's mission against underwater garbage; and more on tonight's broadcast.

An urgent manhunt is underway in Birmingham, Alabama after gunman killed 4 people; Americans warned to leave Lebanon as Israel and Hezbollah ramp up deadly attacks on each other; A new NBC News poll shows Vice President Harris ahead of Trump; and more on tonight's broadcast.