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 arrested after allegedly planning an elaborate mass shooting attack at Three Rivers Mall in Kelso, Wash., has been identified as a 14-year-old boy.

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.