Three dead, six injured in Wisconsin elementary school mass shooting, police said; Much of Northeast remains on edge over reported drone sightings; Indictment of suspect in CEO shooting could come any day; and more on tonight's broadcast.

Trump denounces massive spending bill, pushing government closer to shutdown; CDC reports first severe case of bird flu in U.S.; Stocks drop sharply after Fed cuts interest rates and signals more cautious approach next year; and more on tonight's broadcast.