The Riverside Police Department Saturday was investigating online threats to Riverside Polytechnic High School.
The threatening social media posts surfaced after some fights broke out last week during or near lunch hour on the campus at 5450 Victoria Ave., Poly principal Darel Hansen said Saturday in a letter addressed to parents.
“Poly High School administration is implementing a plan to restrict lunch activities to designated areas on campus,” Hansen said in the letter, which was posted on the high school’s Instagram account.
“These measurements aim to improve supervision and mitigate potential disruptions. Restrictions may extend to additional parts of the day,” Hansen added.
The school requested that the community avoid sharing posts and emails with second-hand information as it could delay investigators.