GLEN HEAD - Police say the all clear has been given at North Shore High School in Glen Head after it was evacuated due to a suspicious device.

According to police, a science teacher threw out a pressure cooker Tuesday night and that is what sparked the incident. 

Police received the call around 10:15 a.m. that someone found the device at the school located off Glen Cove Avenue.

The students were let back into the building shortly after the evacuation.