“踩雷事件导致两国边境争端急剧升级”，泰国宣布驱逐柬埔寨大使

Group 1 - Thailand's Deputy Prime Minister Puthan announced a downgrade in diplomatic relations with Cambodia, recalling the Thai ambassador and expelling the Cambodian ambassador [1] - Five Thai soldiers were injured by landmines on the Thai-Cambodian border, prompting the Thai government to close all border checkpoints under the jurisdiction of the Second Army Area [3] - The Thai military condemned the landmine incident as a violation of international humanitarian principles and accused the Cambodian government of responsibility [3] Group 2 - The landmine incidents are escalating border disputes between Thailand and Cambodia, with previous conflicts occurring in May and June [4] - Puthan emphasized that the landmines were newly planted, contradicting claims that Thai soldiers had entered Cambodian territory without authorization [3][4] - The Thai Ministry of Foreign Affairs condemned the landmine planting as a clear violation of Thailand's sovereignty and international agreements [3]