Police will be assigned to each floor and “every corner” of a school building after threats of a shooting surfaced on social media, officials say.

Police and school administrators are planning to have extra security and prohibit backpacks at a Massachusetts middle school on Monday in response to several threats posted on Snapchat.

A western Massachusetts high school football game was also held without fans due to a shooting threat this weekend. The post Waltham school temporarily bans backpacks, increases police presence after online shooting threat appeared first on Boston.

Police determined a threat of a school shooting targeting McDevitt Middle School in Waltham was “non-credible” and came from a student living in the city.

A 12-year-old was found responsible for making a threat on social media to Strong Middle School in Durham Friday, according to police.

There was an increased police presence Monday at a middle school in Waltham, Massachusetts, following online threats of a potential school shooting. Waltham Public Schools Superintendent Marisa Mendonsa confirmed Sunday that administrators were made aware of multiple threats that were made via Snapchat regarding a potential shooting at McDevitt Middle School.