Thai Government Explains Silent Cell Broadcast Alert During Nonthaburi School Shooting
Deputy government spokesperson clarifies that silent Cell Broadcast alerts within a 5-kilometer radius of Debsirin Nonthaburi School were designed to protect hiding victims.
Stock photo for illustration only, not from the actual event
- Government explains silent Cell Broadcast alert protocol during shooting
- Alert radius set to 5 kilometers around Debsirin Nonthaburi School
- Silent mode prevents revealing the hiding locations of victims
- Differs from natural disasters that require loud alarm sounds for evacuation
On August 8, 2026, Ms. Lalida Periwivatana, Deputy Spokesperson for the Prime Minister's Office, addressed widespread public inquiries regarding the emergency Cell Broadcast alert issued during the firearm incident at Debsirin Nonthaburi School on August 7, explaining why the message was delivered without the loud alarm sound heard during previous system tests.
The alert format was selected based on strict security principles to avoid increasing risks for individuals currently hiding inside the incident area. The Department of Disaster Prevention and Mitigation (DDPM) dispatched text alerts to mobile phones belonging to citizens located at the school and surrounding areas within an approximate 5-kilometer radius.
The primary objective of this measure is to urge the public to avoid traveling near or entering the affected zone, thereby reducing personal risk and allowing law enforcement officers to carry out their operations smoothly and efficiently.
Stock photo for illustration only, not from the actual event
Ms. Lalida stated that the DDPM intentionally configured the alerts to be silent because if the mobile phones of those hiding in the incident area rang or made alert noises, it could expose their exact positions and severely endanger their safety, marking a clear distinction from other types of emergencies.
- Disasters like earthquakes, tsunamis, or flash floods require loud alarms to prompt immediate evacuation.
- Armed incidents require warning external populations to stay away while safeguarding those sheltering inside.
"รัฐบาล ขอให้ประชาชนอ่านรายละเอียดในข้อความแจ้งเตือนอย่างรอบคอบ ปฏิบัติตามคำแนะนำของเจ้าหน้าที่ หลีกเลี่ยงพื้นที่เสี่ยง และไม่เผยแพร่ภาพหรือถ่ายทอดสดการปฏิบัติงานของเจ้าหน้าที่ ซึ่งอาจกระทบต่อความปลอดภัยของ ผู้ปฏิบัติงาน และประชาชน ในพื้นที่"
Ms. Lalida Periwivatana
Cell Broadcast technology allows authorities to transmit instant emergency messages directly to all cellular devices within a specific geographic cell tower range without needing individual phone numbers. Customizing alert parameters such as audio profiles and spatial boundaries demonstrates how critical infrastructure can be dynamically adapted to tactical security contexts to maximize public safety during active crises.
The government concluded that it will utilize practical insights gained from this operational deployment to continuously refine the alert system, ensuring maximum efficiency in future public safety notifications and emergency responses.
Source: Khaosod Politics
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