Overview
The Ministry of National Defence of Cambodia confirms that between 18 and 19 December 2025, Thai military forces continued their armed aggression against Cambodia across the 4th, 5th, and 3rd Military Regions, in clear violation of the ceasefire and the Joint Declaration signed by the Prime Ministers of Cambodia and Thailand on 26 October 2025.
Thai operations involved coordinated air, land, and naval attacks, targeting civilian communities, temples, bridges, and other civilian infrastructure, constituting serious violations of international humanitarian law.
4th Military Region – Frontline Situation
(Oddar Meanchey and Preah Vihear Provinces | 05:00 PM, 18 Dec – 05:00 PM, 19 Dec 2025)
Night of 18–19 December 2025
- 08:00 PM – 05:00 AM: Thai forces fired artillery shells into the areas of Ta Mone Temple and Damnak Sdech
19 December 2025
- 09:23 AM: Artillery shelling targeted Hill 333
- 09:50 AM: Artillery shelling targeted Koul 8
- 02:00 PM: Artillery fire and kamikaze drones used in Tamone Temple, Thmar Daun, and Damnak Sdech
- 03:20 PM: Artillery shelling targeted Phnom Trangol
- 03:30 PM: Thai Air Force deployed an F-16 fighter jet to bomb Peak Sbeak
- 10:58 PM: Thai Air Force used F-16 fighter jets to bombard and destroy O’ Jik Bridge, at the border area between Chong Kal District (Oddar Meanchey Province) and Srei Snam District (Siem Reap Province)
The situation in other areas remained calm, but Cambodian forces continued to monitor closely and remained highly vigilant.
5th Military Region – Frontline Situation
(Banteay Meanchey and Pursat Provinces | 05:00 PM, 18 Dec – 05:00 PM, 19 Dec 2025)
18 December 2025
- 05:28 PM: Thai forces used drones to drop bombs in the area of Thmar Da
19 December 2025
- 04:54 AM: Thai forces fired into O’ Phlok Damrei
- 05:41 AM: Artillery fired from a Thai naval warship into Thmar Da
- 06:01 AM: Artillery shelling targeted Prey Chan Village
- 06:54 AM: Large reconnaissance drones violated Cambodian airspace over Thmar Da Commune
- 07:42 AM: Five artillery shells struck the civilian area of Banteay Meanrith Village, Kouk Romiet Commune, Thmar Pouk District, Banteay Meanchey Province
- 08:48 AM: Thai forces sprayed toxic gas into Chok Chey Village
- 09:38 AM: Mortar rounds fired into O’ Phlok Damrei
- 09:45 AM: Artillery shelling targeted the civilian area of Boeung Trakoun
- 10:34 AM: Thai forces sprayed toxic gas into the area of Phnom Prak
- 01:33 PM: Artillery shelling targeted Chamkar Kor Village, Svay Chek District, Banteay Meanchey Province
- 01:40 PM: Continued shelling targeted Prey Chan Village
- 02:02 PM: Artillery shelling targeted Boeung Trakoun
- 02:10 PM: Thai forces sprayed toxic gas into Chamkar Kor Village
- 02:20 PM: Thai forces continued shelling in Chamkar Kor Village
- 02:32 PM: Artillery shelling targeted Tbaeng Temple, Prasat Tbaeng Village, Banteay Chhmar Commune, Thmar Pouk District, Banteay Meanchey Province
- 02:43 PM: Continued shelling targeted O’ Sur Sdei
- 03:23 PM: Shelling intensified in the area of Boeung Trakoun
- 03:40 PM: Thai forces shelled a civilian petrol station (TELA) and residence at Thmar Romeal Lech, Banteay Chhmar Commune, Thmar Pouk District, Banteay Meanchey Province
- 04:16 PM: Reconnaissance drones violated Cambodian airspace over Boeung Trakoun
- 04:49 PM: Artillery shelling targeted Prey Chan Village
- 04:50 PM: Artillery shelling targeted Chok Chey Village
The situation in other areas remained calm, but Cambodian forces continued to monitor closely and remained highly vigilant.
3rd Military Region – Naval Attacks
(Cham Yeam Border Area, Mondul Seima District, Koh Kong Province | 19 December 2025)
- 06:30 PM – 06:55 PM: Thai naval warship launched approximately 10–20 artillery shells, falling into the water behind a hotel near the Cham Yeam Border Checkpoint, Mondul Seima District, Koh Kong Province
- 06:30 PM – 06:55 PM: Thai naval warship also fired approximately 10–20 shells into the water near the border gate area in the geography of Jrok Jam Yam, Mondul Seima District
As of the latest update, the situation returned to calm. Cambodian forces continued monitoring with high alertness.
Legal Assessment and Official Position
The attacks described above constitute indiscriminate strikes affecting civilians and civilian infrastructure, and represent a serious violation of international humanitarian law.
The Royal Government of Cambodia reiterates that the Cambodian Armed Forces and National Police will continue to stand strong, brave, and steadfast across all battlefronts to fulfill their duties to defend Cambodia’s territorial integrity.
Conclusion
The events of 18–19 December 2025 demonstrate continued Thai armed aggression across multiple Cambodian provinces and military regions through coordinated air, land, and naval operations. Cambodia remains resolute in defending its sovereignty and territorial integrity while continuing to monitor the situation closely and report further developments as they arise.