Gunman kills 3 and wounds 10 at Arkansas grocery store, police say; High court upholds law barring domestic abusers from owning guns; New Stonewall National Monument visitor center marks uprising 55 years ago; and more on tonight's broadcast.

Flood emergencies grow across the U.S. and raging waters threaten a dam in Minnesota; new video shows three Israeli hostages being abducted on October 7; and a look inside the preparations for the first presidential debate between President Biden and former President Trump.