OHIO — A student at Riverside High School was arrested Friday after being found with a firearm inside the school, according to authorities.
The Lake County Sheriff’s Office said the incident began around 1:55 p.m. when school administrators and a school resource officer were alerted to a student posting a threatening image on social media while inside the building.
Officials immediately placed the school on lockdown and contacted deputies. Authorities said the student believed to have posted the image was located in a classroom and taken into custody. During a search, deputies found the student in possession of a firearm…