4th Military Region – Escalation of Attacks (16 December 2025 | 01:00 AM – 05:00 PM)

On 16 December 2025, Thai military forces conducted sustained and escalating attacks against Cambodian positions in the 4th Military Region.

  • 01:00 AM: Thai forces shelled Ta Krabei Temple and Chob Angkounh
  • 05:30 AM: 155mm artillery fired into Preah Vihear Temple
  • 06:00 AM: Shelling targeted Ta Krabei Temple, Tamone Temple, and Thmar Daun
  • 07:20 AM: Tank-mounted machine guns fired into Phnom Khmoch
  • 08:48 AM: Heavy attacks launched in the An Ses area
  • 09:25 AM: Thai tanks equipped with machine guns advanced into Phnom Khmoch
  • 09:30 AM: Coordinated attacks using tanks, artillery, bombing drones, and kamikaze drones struck:
    • Ta Krabei Temple
    • Hill 333
    • Thmar Chat
    • Chob Angkounh
    • Thmar Daun
    • Phnom Khmoch
    • O’ Smach
    • Samraong Municipality
  • From 01:37 PM: Thai forces significantly escalated attacks by:
    • Using DTI-2 multiple-launch rocket systems against Preah Vihear Temple
    • Conducting aerial drone bombardments on Phnom Khmoch and An Ses
    • Deploying toxic gas behind Keosekhakirosvara Pagoda
    • Firing 155mm heavy artillery into Phnom Khmoch
    • Mobilizing Special Forces at Hill 333, supported by tanks and infantry, to execute ground incursions into Chob Angkounh, Ta Krabei Temple, and Thmar Chat

5th Military Region – Continued Attacks (15 December 5:00 PM – 16 December 5:00 PM)

Thai military forces continued their armed aggression in the 5th Military Region, affecting Banteay Meanchey and Pursat Provinces.

Attacks on 15 December 2025

  • 06:20 PM: Artillery shelling targeted Prey Chan Village
  • 08:00 PM: Artillery shelling targeted O’ Phlok Damrei
  • 08:27 PM: Artillery shelling intensified in O’ Phlok Damrei
  • 10:33 PM: Naval vessel fired shells into O’ Phlok Damrei

Attacks on 16 December 2025

  • 12:14 AM: Continued naval shelling of O’ Phlok Damrei
  • 06:25 AM: Shelling targeted Chok Chey Village
  • 06:30 AM: Shelling targeted Prey Chan Village
  • 07:10 AM: Thai infantry supported by tanks attempted to infiltrate Prey Chan Village
  • 07:36 AM: Toxic gas deployed in Prey Chan Village
  • 08:18 AM: Shelling targeted Boeung Trakuon
  • 09:49 AM – 10:38 AM: Continued naval shelling of O’ Phlok Damrei
  • 10:50 AM: Shelling targeted Chouk Chey Village
  • 11:19 AM: Continued shelling of Chok Chey Village
  • 01:35 PM: Bomb-equipped drone deployed in O’ Phlok Damrei
  • 03:46 PM: Reconnaissance drone violated Cambodian airspace over Thmar Da Commune, Veal Veng District, Pursat Province
  • 03:54 PM – 04:04 PM: F-16 fighter jets dropped three bombs on the C1 border checkpoint
  • 04:17 PM: Artillery shells fired into the C1 border checkpoint

Cambodia’s Official Position

The Royal Government of Cambodia:

  • Strongly condemns the continued and escalating Thai armed aggression
  • Denounces the use of air power, rocket systems, naval fire, drones, and toxic gas
  • Reaffirms that all targeted locations lie within Cambodian sovereign territory
  • Commends the Cambodian Armed Forces and National Police for their bravery, discipline, and vigilance

Conclusion

The events of 15–16 December 2025 represent one of the most serious escalations of Thai military aggression against Cambodia, involving coordinated ground, air, naval, and drone operations across two military regions. The systematic targeting of temples, villages, municipalities, and strategic locations constituted grave violations of Cambodia’s sovereignty and international humanitarian norms, while Cambodian forces remained steadfast in defending national territory.