Social media threat puts PGCPS high school on lockdown | PRINCE GEORGE'S COUNTY PARENTS, MARYLAND BLOG

Crossland High School in the Temple Hills, Maryland has been placed on lockdown Tuesday after police were made aware of a social media threat.

The threat was posted to Twitter Tuesday morning, saying another school shooting was going to happen at the high school.

Prince George’s County police are currently looking for the person responsible for posting the threat.

Police placed the school on lockdown out of an abundance of caution.

We are aware of the newly-posted social media threat regarding Crossland HS in Temple Hills. We are actively working to find the person who posted the threat. The school will be placed on lockdown & extra officers in the area out of an abundance of caution.

— PGPDNEWS (@PGPDNews) March 6, 2018

Police say that it was a grave threat that was made, but that the situation is under control.

The investigation continues.

Urgent: Please share Chief’s message to the community regarding school threats including update on suspect in Crossland HS threat. pic.twitter.com/rRq7f5ygOo

— PGPDNEWS (@PGPDNews) March 6, 2018