GRANDVIEW HEIGHTS, Ohio (WCMH) – Parents were asked to pick up their students in Grandview Heights after the high school received a bomb threat Monday morning.

According to a release from the City of Grandview Heights, Grandview Heights High School received an anonymous bomb threat at 10:15 a.m., prompting the school to activate its emergency response plan. Students in grades 4-12 of the high school and Larson Middle School were evacuated to the Grandview Heights Public Library, where they met with their parents.

Parents were asked to pick up students at the Library on West First Avenue from the south on Ashland Avenue and exit southbound on Oakland Avenue.

The school suspended all activities for the remainder of the day as the Columbus Fire Department’s bomb squad and K-9 Unit began to sweep the school and nearby vehicles, according to a statement from the city. Authorities found no evidence of a threatening device and allowed staff to return to the building at around 12:15 p.m.

The school will remain closed Monday.