Threat made in Hamilton elementary school

Another school in Hamilton has issued a warning about a threat.

Hess Street Elementary school says a threat about a shooting was found written on a bathroom wall Tuesday.

Police have been contacted and are investigating the matter.

At least 13 schools in Hamilton have had threats made in the past two weeks.

Hamilton police have arrested three teens in St. Jean de Brebeuf Catholic Secondary School, St. Thomas More Catholic Secondary School, and Westdale Secondary School in connection to threats.