👉 In short: The U.S. Embassy warns of active hostilities along the Cambodia–Thailand border, urges U.S. citizens to avoid the area, follow local security guidance, and keep emergency plans updated.
Key Points
- ⚠️ Escalation of conflict: Armed clashes, including artillery and small arms fire, have intensified along the Cambodia–Thailand border since December 8.
- 🚫 Travel restriction: U.S. citizens are advised to avoid all travel within 50 km of the border due to active hostilities and unpredictable conditions.
- 🛡️ Limited assistance: The U.S. government has restricted ability to provide emergency services in affected provinces.
- 📋 Safety guidance: Follow Thai security services’ instructions, shelter in place if caught nearby, and update personal emergency plans.
- 📲 Stay informed: Enroll in the Smart Traveler Enrollment Program (STEP), monitor alerts via WhatsApp, and check updates from the U.S. Embassy and State Department.
Location: Thailand-Cambodia Border and Adjacent Provinces
Date: December 10, 2025
Event: The U.S. Embassy is monitoring reports of significant escalation in the conflict along the Thailand-Cambodia border. On December 8, reports of artillery and small arms fire exchanges in border areas intensified. Both sides continue to report cross-border fire, and conditions remain volatile. U.S. citizens should avoid all travel within 50 kilometers of the Thailand-Cambodia border due to active hostilities and the unpredictable security situation. The U.S. government has limited ability to provide emergency services in affected provinces. U.S. citizens residing or traveling near affected areas should follow instructions from Thai security services and monitor local authorities for updated information.
Actions to Take:
- Avoid all travel within 50 km of the Cambodia–Thailand border.
- Follow directions from Thai security services and local authorities.
- Absent other guidance, exercise caution or shelter in place if unexpectedly in the vicinity of conflict.
- Prepare or update your personal emergency plan. Review the Traveler’s Checklist .
- Enroll and update your information in the Smart Traveler Enrollment Program (STEP) .
- Receive alerts from the U.S. Department of State’s Bureau of Consular Affairs via WhatsApp .
- Follow the Department of State on Facebook and X . Visit travel.state.gov and the U.S. Embassy in Thailand website.
Assistance:
- U.S. Embassy Bangkok
- +66 02-205-4000
- ACSBKK@state.gov
- https://th.usembassy.gov/
State Department – Consular Affairs
888-407-4747 or 202-501-4444
