MONONGAHELA, Pa. — (WPXI) – The Ringgold School District is investigating a threat made against some of its students. In a letter sent to parents, Officials said they were told a threat directed at students and their middle school through a Safe2Say system. The threat was made in social media posts. Superintendent Randall Skrinjorich said the party or parties responsible for the threats will be held responsible to the fullest extent. School district police are currently working with Monongahela City Police to learn more.