KELSO, Wash. — 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.

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.

Teen arrested in alleged mass shooting plot at a Washington state mall, officials say Beginning of dialog window. Escape will cancel and close the window.

By Hanna Park, Rebekah Riess, CNN (CNN) — An Oregon teen has been arrested in connection with an alleged mass shooting plot targeting the Three Rivers Mall in Kelso, in southwestern Washington ...