Others may carry (riot shields).Logical formLearned from10 sentences. (Riot police) may be used.Logical formLearned from10 sentences. Rebels may clash with (riot police).Logical formLearned from10 sentences. Investigations can be into riots.Logical formLearned from10 sentences. (Unemployment riots) can be in a (mining region).Logical formLearned from10 sentences. Riots can be in some nations.Logical formLearned from10 sentences. Peaceful protests may turn into riots.Logical formLearned from10 sentences. Riots can be constituted-of-or-filled-with violence.Logical formLearned from10 sentences. (Riot police) may clear a central square.Logical formLearned from10 sentences. (Police officers) may be dressed in (riot gear).Logical formLearned from10 sentences. Some lines can be constituted-of-or-filled-with (riot police).Logical formLearned from10 sentences. Riots may be sparked by a death of (rebel leader).Logical formLearned from10 sentences. (Riot police) may beat protesters.Logical formLearned from10 sentences. Riots may spread across a country.Logical formLearned from10 sentences. A riot may claim some lives.Logical formLearned from10 sentences.