An Oregon teen has been arrested in connection with an alleged mass shooting plot targeting the Three Rivers Mall in Kelso, in southwestern Washington, officials said. The suspect, whose identity has not been disclosed due to his age,

A Columbia County teen planned to set off an explosive at the mall in Kelso off I-5 and then shoot people as they fled the movie theater there, the FBI said.

The FBI derailed a plot by a teenager who had planned to detonate a bomb at a Washington state shopping mall and shoot people as they fled a movie theater in the building, law enforcement authorities announced Thursday.