PS Department, freedom to demonstrate but we protect objectives - Last hour. The Department states this, underlining that the clashes in Florence and Pisa with the demonstrators "bring to light the operational difficulties of managing, during public order services" Today's episodes, he adds, will constitute, "as always, a moment of reflection and verification on the organizational and operational aspects connected to the numerous and diversified types of initiatives, which determine the daily use of thousands of law enforcement operators", he says.