CLARKSVILLE, Tenn. (CLARKSVILLENOW) – Concerned parents contacted Clarksvillenow.com Friday after hearing rumors of a shooting threat at Clarksville High School.

Clarksville-Montgomery County School System spokesperson Elise Shelton said an unfounded, unsubstantiated rumor was investigated. She did not specify what the rumor was.

Shelton said police presence at the school was heightened Friday to provide reassurance.

Parents who spoke to Clarksvillenow.com said it appeared many children did not attend school Friday.

No further information is available.