Cambodia's Foreign Minister Prak Sokhon arrives at a meeting at the sidelines of the ASEAN foreign ministers meeting in Vientiane, Laos July 25, 2016. REUTERS/Jorge Silva

Cambodia’s Foreign Minister Prak Sokhon arrives at a meeting at the sidelines of the ASEAN foreign ministers meeting in Vientiane, Laos July 25, 2016. REUTERS/Jorge Silva

Cambodia's Foreign Minister Prak Sokhon arrives at a meeting at the sidelines of the ASEAN foreign ministers meeting in Vientiane, Laos July 25, 2016. REUTERS/Jorge Silva

August 5, 2016 11:48 PM (UTC+8)