Ключевые слова: accident, ambulance, arrest, authority, blink, block, blockade, blue, brigade, bright, city, crime, criminal, danger, driving, duty, emergency, enforcement, fire, highway, incident, investigation, justice, lamps, law, life, light, night, nighttime, officer, patrol, patrolman, police, protect, protection, red, rescue, road, security, shining, siren, squad, street, surveillance, tsar, twinkle, urban, vehicle, warning,