(Police officers) may be surrounded.Logical formLearned from86 sentences. A witness may tell police.Logical formLearned from86 sentences. Gunmen may wear (police uniforms).Logical formLearned from86 sentences. A (police lieutenant) can be retired.Logical formLearned from86 sentences. Some persons may be killed by police.Logical formLearned from86 sentences. Militants may attack a (police checkpoint).Logical formLearned from86 sentences. (Police officials) can be unnamed.Logical formLearned from86 sentences. Police may cordon_off streets.Logical formLearned from86 sentences. Police may seize some kilograms of cocaine.Logical formLearned from86 sentences. (Police authorities) may pertain-to a country.Logical formLearned from85 sentences. Some (police officers) can be injured.Logical formLearned from85 sentences. A female may tell the police.Logical formLearned from85 sentences. Run-ins can be with the police.Logical formLearned from85 sentences. Police can be across a country.Logical formLearned from85 sentences. (Police officers) may be arrested.Logical formLearned from85 sentences.