Ключевые слова: accident, action, alarm, ambulance, blue, control, cop, crime, criminal, downtown, emergency, europe, help, inscription, law, light, logo, night, officer, officers, passenger, patrol, people, poland, police, police car, police lights, policeman, policemen, red, road, roadblock, roads, safety, security, sergeant, sign, signals, street, streets cities, strike, strobe, town, traffic, transportation, tsar, urban, vehicle, warsaw,