Two teens have been charged after threats were made toward J.L. Ilsley High School.

Halifax Police say the 15 and 16-year-old youths were arrested yesterday, and face charges of mischief and uttering threats.

The threats were reported Tuesday at the school.

Police say there’s been 25 incidents since April 1 of messages left in schools referring to explosive devices in the buildings.

Officers investigated each threat and didn’t find anything.