Cambodian, Thai troops at odds as ASEAN observers visit border . Thai and Cambodian troops appeared at odds on Tuesday as Thailand hosted an ASEAN observer team at border areas. . Cambodian troops reportedly protested that Thailand had failed to provide prior notice for the visit, which aimed to allow envoys from other ASEAN nations to access an contentious border area near the Chong An Ma area in Nam Yuen district, Ubon Ratchathani. . The Cambodian soldiers appeared to try to disrupt the observ