On May 22, 2026, five rounds of small-arms fire were heard from Cambodian territory in Thailand’s Surin Province. The incident led to a diplomatic protest from Bangkok to Phnom Penh, with the former claiming violations of existing bilateral peace agreements. The following day,Commander-in-Chief of the Royal Thai Navy Admiral Pairoj Fuengchan, announced mobilisation of naval troops to Trat and Chantaburi Provinces in a multi-agency exercise.