Walnut Township Local Schools close after receiving violent email threat

Students at Walnut Township Local Schools were sent home Friday after the principal at Millersport Elementary received a threatening email.Superintendant Randy Cotner says the email threat read: "I'm on school grounds with a gun."The district sent more than 500 students home while law enforcement works to trace the source of the threat.On Thursday, the elementary school was placed on lockdown after receiving two threats.Millersport Elementary went into lockdown after the principal received an em