If a civil dispute causes a fight or damages public or private property, administrative detention may not be given after mediation by the public security. If a decision on detention punishment has been made, mediation is not needed. It depends on whether the police inform the school.
Criminal detention refers to detention in criminal proceedings, and it is a compulsory method for public security organs and people's procuratorates to temporarily deprive a flagrante delicto or a major suspect of personal freedom in case of legal emergency during investigation. Criminal detention must meet two conditions at the same time: the object of detention is a flagrante delicto or a major suspect, and there is one of the legal emergencies.