Mankato (KMKO)-Official at Mankato East Junior and Senior High yesterday responded to an incident involving a message written on a bathroom wall. After a student told staff that a threatening message was seen, staff investigated. Following the district's protocols, administrators notified the district to determine proper procedures to follow. Officials did not determine the message constituted a threat to students and classes continued uninterrupted. The district is now working with law enforcement to determine who is responsible for the threat.