Deputies: 'All clear' after threat investigation at Rochester High School

ROCHESTER, Wash. - Deputies are investigating a threat at Rochester High School in Thurston County on Tuesday morning. 

The Thurston County Sheriff's Office said law enforcement is clearing the school. 

The Rochester School District said the school was placed lockdown and messages have been sent to parents. 

By 9:30 a.m., the scene was cleared at Rochester High School. 

This is a developing story, and will be updated.