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,

Authorities thwarted a planned mass shooting and bombing at a mall in Kelso, Washington, with the arrest of an Oregon juvenile who had detailed intentions to carry out the attack.

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.