Threat Not Valid At Montgomery Blair HS; School Secure: MoCo Police

SILVER SPRING, MD — Montgomery County Police investigated a threat at Montgomery Blair High School in Silver Spring and determined that it was not valid, according to a 3:58 p.m. social media post. The scene was secure.

Just before 3 p.m., on Monday, police notified the public that they were investigating the validity of a threat to Montgomery Blair High School.

At first, students and faculty were kept at school following dismissal and were later placed in a secure area off of school grounds.