Ключевые слова: action, arrest, authority, background, baton, black, bulletproof, control, cops, crime, crowd, demonstration, enforcement, force, freedom, gas, gear, government, guard, gun, helmet, law, man, mask, military, officer, people, police, policeman, power, protect, protection, protest, protesters, rally, riot, riots, russia, safety, security, shield, smoke, street, teaching, training, uniform, unrest, vest, violence, war,