(Molalla, OR) -- Molalla River Schools reopen Monday after being closed on Friday due to a threat. The school district says a threat was posted on Wednesday concerning Molalla River Middle School. Police investigated and a student was taken into custody. New social media threats were posted Thursday evening and a threat was reported to SafeOregon, which takes reports about potential school violence. Molalla schools were closed Friday. Police investigated and they aren't pursuing any additional suspects.