Ключевые слова: activism, armed, authority, brno, bulletproof, ceremony, city, clash, conflict, cop, crisis, crowd, czech, czech republic, demonstration, enforcement, equipment, europe, extremism, force, government, guard, head wear, helmet, labour day, law, main square, man, medical mask, military, officer, people, police, police car, police force, police promise, policeman, politics, promise, protection, protective, protest, riot, safety, security, shield, square, street, uniform, weapon,