sentences:  Personnel from the Ohio Guard also provided crucial advice and stood by to provide law enforcement support during rioting in Cincinnati and civic unrest surrounding the operation of a toxic waste incinerator plant near East Liverpool.Disaster relief also continued to be a priority mission with service during the Shadyside floods, tornadoes, snow emergencies and Ohio River flooding.After the attacks of September 11, numerous units from the Army Guard supplemented by security police units of the Air Guard were mobilized on short notice in the following days and executed critical security missions at various locations for extended periods of time.