Three students at Safety Harbor Middle School in Pinellas County received medical treatment after ingesting an "unknown substance" Monday at school. According to a Pinellas County School spokesperson, the three students reported not feeling well and all three felt similar symptoms. Staff at Safety Harbor Middle School located on 1st Avenue North called 911 after the three admitted to ingesting something. "The students are receiving medical treatment based on the wishes of families," Pinellas County Schools said. The school resource officer and school investigated the situation. The school did not mention what the unknown substance was. "We encourage anyone with a safety concern to report it through the Say Something Anonymous Reporting app," the school said. "The safety of our students and staff is our highest priority." MORE: https://www.wtsp.com/article/news/local/pinellascounty/students-safety-harbor-middle-school-ingest-unknown-substance/67-8284a453-4d04-4760-bd2b-d67dcd54ca0f ►Subscribe: https://on.wtsp.com/youtube ►Website: https://www.wtsp.com/ ►Facebook: https://facebook.com/10TampaBay ►Twitter: https://twitter.com/10TampaBay