Possible Clues:

• A vigorous reprimand (with "the")
• It's read as a warning to disperse
• Read the - - , warn or reprimand severely
• Citator of law concerning public affray
• It's read as a warning from Brazilian port to adopt diplomacy
• Earlier capital diplomacy used to deal with unrest
• A vigorous reprimand (with ''the'')
• In Brazilian city, diplomat's skill used to control disorder
• Read the ___
• Reading from an irate parent?