A nationwide threat to schools called “MHS” has led local systems to close their doors or increase police presence as a precaution on Tuesday.

Moore police reported an increased presence at Moore High School Tuesday morning after a threat was made late Monday night. Minco Public Schools are also closed Tuesday.

In a post on X, the department said it had been “made aware of an alleged threat/screenshot circulating among students on Snapchat.”

Since school started on Tuesday morning, Moore said the threat was “not credible” and appears to be related to a growing trend affecting other school districts with the acronym “MHS.”

“We will continue to monitor the situation closely. We encourage students, teachers and families to remain vigilant and report any suspicious behavior. Together we are #moorestrong,” the department posted Tuesday morning.

This trend also affected Minco Public Schools, as Superintendent Kevin Sims posted on Facebook Monday evening. Sims said the school system would remain closed Tuesday after a bomb threat.

“Out of an abundance of caution, we will be closing tomorrow and there will be no activities on Tuesday, September 17, 2024. Please do not come to school. An OHP bomb detection unit as well as other law enforcement agencies will be here tomorrow,” Sims wrote.

Ryan Walters, Oklahoma State Schools Superintendent, released a statement Tuesday regarding the threats made against schools across the state in recent days:

“These threats will not be tolerated. The safety of our students is my highest priority, and our agency is coordinating its efforts with local districts and police. We are making all resources available and will continue to work closely with our partners to ensure the safety of our students.”

Southmoore High School officials allow early dismissal

Southmoore High School administrators say classes are closed and families can pick up their children early after a threat was shared on social media Tuesday. Moore police are conducting an active investigation.

Parents and guardians can deregister their children at the main entrance of the school. Students in grades 10 to 12 can deregister by phone.

“There have been several false threats over the past two weeks. However, as an abundance of caution, parents/guardians may check on their students,” MPS administration said. “…We have a heavy police presence on the SHS campus and students will not be released to their next class.”

Threat against MHS school shared on Snapchat causes concern nationwide

Other MHS high schools across the country, such as Moorhead, Minnesota, and Marysville, California, have taken precautionary measures after seeing similar threats on social media, news outlets report.

According to California television news channel Action News Now, the Yuba County Sheriff’s Office concluded that the threat in their community was part of a nationwide trend.

Both districts concluded that there was “no known threat” to the two schools.

This article originally appeared on Oklahoman: Police monitor Moore High School after threat spread on social media