👮cảnh sátA police officer. Means law enforcement, authority and "police are here". Use it for traffic stops, safety and cop shows. Alternatives: 🚓 (police car), 👮♂️/👮♀️ gendered.
🚨đèn xe cảnh sátA police car light. Means alarms, sirens and emergencies. Use it for urgent news and "lights and sirens" moments.
⚠️cảnh báoA warning. Means caution, danger and "heads up". Use it for warnings and important notices. Alternative: ⚠️ — same.