Two Northern California teenagers are under arrest after an investigation into alleged threats of a school shooting, authorities say.

Two Students Arrested Following School Shooting Threat . 5, 2025 – Grass Valley, CA – Nevada County Sheriff's Office officials report that the Nevada Union High Schoo

A 17-year-old student was detained Monday in connection with a social media threat involving Nevada Union High School, officials said. The Nevada County Sheriff’s Office said that at 10:52 a.m. a school resource officer received information about a possible threat at the school.