ROGERSVILLE, Tenn. - Two boys have been arrested for allegedly plotting t0 carry out a mass shooting at a high school in Tennessee, authorities said Thursday.

The youths allegedly were planning an attack at Volunteer High School in Rogersville in Hawkins County, CBS affiliate WJHL reported.

The boys, whose names and ages were not released, face conspiracy to commit first-degree murder and other charges, the station said.

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Assistant District Attorney Ryan Blackwell said a detention hearing was held for both boys and it's possible the case could be transferred to adult court.

Hawkins County Sheriff Ronnie Lawson said a news conference was scheduled for Friday morning to discuss further details of the case.

The arrests come just two days after a shooting at Reynolds High School in Troutdale, Ore., where a 15-year-old boy shot shot and killed a 14-year-old freshman and wounded a teacher before taking his own life.