CHICAGO (STMW) — An elementary school in southwest suburban Homer Glen was evacuated Tuesday morning after someone left a voicemail saying there was a bomb in the building, but no bomb was found.

An unidentified person left a voicemail over the weekend saying a bomb was inside William Young Elementary School at 16240 S. Cedar Rd. in Homer Glen, according to Kathy Hoffmeyer, spokeswoman for the Will County sheriff’s office.

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Office personnel arrived at work Tuesday morning and heard the message, Hoffmeyer said. Students were immediately evacuated and taken across the street to Luther Schilling School.

Sheriff’s deputies searched the school and did not find a bomb, Hoffmeyer said. The DuPage County Bomb Squad also searched the building with canines before the “all clear” was given at 11:55 a.m.

Students will stay at Schilling until 2 p.m., when they will return to Young Elementary, according to a statement posted on Homer Community Consolidated School District 33C’s website.

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The school will have normal dismissal Tuesday and classes as usual on Wednesday, according to the statement.

“We appreciate the quick action by our staff to enact our safety and reunification plans, and we appreciate the quick response by the Will County Police Department,” the statement said.

“We apologize for the inconvenience to our students and their parents because of this unfortunate incident. Please know that the safety and welfare of our students is our top priority. This incident is under investigation and, if the perpetrator is caught, we plan to prosecute them to the fullest extent of the law.”

The sheriff’s office is investigating who left the voicemail.

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(Source: Sun-Times Media Wire © Chicago Sun-Times 2015. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed.)