ORO VALLEY, Ariz. (KGUN9-TV) - Oro Valley Police are on alert after a threat was written on a bathroom wall at Canyon del Oro High School.
OVPD Lt. Kara Riley said school resource officers became aware of a threat around noon on Tuesday.
Riley was not able to tell KGUN9 the specifics of the threat as it is under investigation, but said the threat referenced something bad would occur on Thursday, March 3.
Riley said OVPD have reason to believe it is not a credible threat.
Police will be increasing their presence at the high school tomorrow, said Riley.