evidence: Second, he added, the Lao side agreed to examine and settle four remaining points as requested in his letter to his Lao counterpart, and those four points have to be solved before that of O’ Tangav. Third, the border committees of both nations are commissioned to negotiate and settle the remaining issues on site, at O’ Tangav in Stung Treng province, the Cambodian premier pointed out. [...] Last month, Samdech Techo Hun Sen issued an ultimatum to Laos to withdraw its troops without condition from the Cambodian territory before Aug. 17, 2017 after he has got no reply from his Lao counterpart to his letter dated Aug. 2, 2017 on the troop withdrawal request. Then, he flied to Vientiane to talk about this issue. Finally, the Lao side agreed to pull back all its troops from the Cambodian territory.