A school in Council Bluffs was placed on temporary lock down late Thursday morning as a precaution, after an incident involving an unruly student. According to Bluffs Police, officers were called to Lewis Central High School at around 11:35-a.m. to assist staff members with an unruly student inside the school. Prior to the arrival of officers the unruly 14 year old male was detained by staff members for his own safety as well as the safety of other students and staff members. The school was placed in lock down as a precautionary measure to ensure the safety of all students. The situation with the student was quickly resolved and activities at the school returned to normal very quickly. The student was charged with Disorderly Conduct and removed from the school. No weapons were involved and no students or staff members were injured as result of this incident.