Tropical Storm Helene expected to rapidly intensify into a major hurricane; Biden, in final U.N. speech, says world is at an "inflection point"; Israel bombards southern Lebanon and Beirut for a second day; and more on tonight's broadcast.

Helene blasts Florida with destructive winds, torrential rains and storm surge; Helene brings heavy rain and winds to Georgia; New York mayor charged with bribery, wire fraud in sweeping corruption indictment; and more on tonight's broadcast.