The high school, also known as John Harris High School, was placed on lockdown by administration after the allegation surfaced. The rumor circulating was that a student possessed a gun on school property.
Harrisburg police and surrounding jurisdictions responded, conducted a partial search of the school, and investigated the allegation concerning the gun. After further investigation, and interviews, police said, they lifted the lockdown to continue their investigative, and for students' safety.
No evidence was found, no charges have been filed, police said. Police remained on the school's campus to monitor dismissal.