Overview

The Ministry of National Defence of Cambodia confirms that from 19 to 20 December 2025, Thai military forces continued their armed aggression against Cambodian sovereign territory across the 3rd, 4th, and 5th Military Regions. These actions demonstrate a clear escalation of hostilities through coordinated naval, air, and ground operations, directly targeting civilian areas, cultural and religious sites, educational institutions, and commercial infrastructure.

3rd Military Region – Frontline Situation

(Koh Kong Province | 06:30 PM, 19 Dec – 05:00 PM, 20 Dec 2025)

  • 06:30 PM – 06:55 PM (19 Dec): Thai naval warship launched approximately 20 artillery shells, falling into the water behind a hotel near the Cham Yeam Border Checkpoint, Mondul Seima District
  • The situation later returned to calm; Cambodian forces continued monitoring with high alertness

4th Military Region – Frontline Situation

(Oddar Meanchey and Preah Vihear Provinces | 05:00 PM, 19 Dec – 05:00 PM, 20 Dec 2025)

19 December 2025

  • 07:30 PM: Thai forces used heavy artillery and tanks, supported by infantry, attempting to infiltrate Phnom Khmoch and Bos Sbov – Choam Te
  • 10:58 PM: Thai Air Force deployed F-16 fighter jets, dropping two bombs to destroy O’ Jik Bridge, a civilian infrastructure near populated areas at the border between Chong Kal District (Oddar Meanchey) and Srei Snam District (Siem Reap)

20 December 2025

  • 04:00 AM – 05:30 AM: Continuous shelling targeted Preah Vihear Temple
  • 04:00 AM: Shelling also targeted Thmar Daun
  • As of 03:00 PM: Thai forces continued attacks using artillery and tank-mounted guns in Phnom Khmoch and Choam Te
  • 04:00 PM: Thai forces used DK (106) guns and artillery to fire into Preah Vihear Temple

The situation in other areas remained calm; Cambodian forces maintained heightened vigilance.

5th Military Region – Frontline Situation

(Banteay Meanchey and Pursat Provinces | 05:00 PM, 19 Dec – 05:00 PM, 20 Dec 2025)

19 December 2025

  • 07:10 PM: Thai forces fired flare rounds in Prey Chan Village
  • 07:50 PM: Shelling targeted Chok Chey Village

20 December 2025

  • 12:04 AM: Shelling targeted Boeung Trakoun
  • 04:00 AM – 04:02 AM: Artillery and tank shells continued to strike Boeung Trakoun
  • 05:48 AM – 06:35 AM: Thai forces fired 75mm tank-mounted guns into O’ Phlok Damrei
  • 08:13 AM: Shelling targeted Prey Chan Village
  • 09:20 AM: Reconnaissance drones violated Cambodian airspace over Veal Veng District, advancing toward Phnom 1500
  • 09:30 AM – 11:30 AM: Sustained artillery fire into Boeung Trakoun
  • 10:30 AM: Reconnaissance drones violated airspace over Thmar Da Commune
  • 11:01 AM – 11:16 AM: Thai Air Force deployed F-16 fighter jets, dropping:
    • 3 bombs on a civilian commercial building near Chey Chomneas Border Checkpoint
    • 2 bombs on a primary school in Thmar Da Commune, Veal Veng District
  • 11:15 AM: Additional reconnaissance drones violated Cambodian airspace over Thmar Da
  • 11:46 AM: Thai infantry, supported by approximately 5 armored vehicles, invaded Cambodian territory near Chey Chomneas Border Checkpoint
  • 12:38 PM: Shelling targeted Boeung Trakoun
  • 01:04 PM: Shelling targeted Prey Chan Village
  • 01:43 PM: Continued shelling in Boeung Trakoun
  • 02:10 PM: Drone bombardment targeted Chey Chomneas Border Checkpoint
  • 02:15 PM: Thai forces fired two 155mm artillery shells into a densely populated civilian area in Svay Chek District, Banteay Meanchey Province
  • 03:42 PM: Reconnaissance drones violated airspace behind Chok Chey Village
  • 04:00 PM: Reconnaissance drones violated airspace behind Boeung Trakoun
  • 04:11 PM: Continued shelling targeted Boeung Trakoun

Ongoing Developments (20 December 2025 Evening)

  • 05:30 PM: Thai forces continued firing heavy and supporting artillery into Thmar Daun (4th Military Region)

Conclusion

The events of 19–20 December 2025 demonstrate sustained and coordinated Thai military aggression across multiple Cambodian provinces, involving naval shelling, airstrikes, ground incursions, and drone operations. Cambodian forces continue to repel and resist the invasion while remaining fully committed to defending Cambodia’s sovereignty, territorial integrity, and civilian population.

Further updates will be provided as the situation develops.