Madison High School in Houston was placed on lockdown after threats were made via social media.
The school was locked down shortly after 1 p.m., KHOU reported.
The nature of the threat was not disclosed but officials said it was made via Facebook.
Houston Police released a statement about the matter.
It reads: “HISD Police and school administrators are aware of the threats made over social media regarding this weekend’s fatal shooting of a Yates High School student. At HISD all threats made against a student or a campus are taken seriously and immediately investigated. As such, HISD Police is working in collaboration with HPD and other law enforcement agencies to maintain a safe environment and have increased patrols at multiple campuses as an added safety measure. At HISD the safety of all the students is a top priority.”
