Malaysian Prime Minister Najib Razak (L) is received by Thai Prime Minister Prayuth Chan-Ocha (R) at Government House in Bangkok on September 9, 2016. REUTERS/Lillian Suwanrumpha/Pool

Malaysian Prime Minister Najib Razak (L) is received by Thai Prime Minister Prayuth Chan-Ocha (R) at Government House in Bangkok on September 9, 2016. REUTERS/Lillian Suwanrumpha/Pool

Malaysian Prime Minister Najib Razak (L) is received by Thai Prime Minister Prayuth Chan-Ocha (R) at Government House in Bangkok on September 9, 2016. REUTERS/Lillian Suwanrumpha/Pool

September 9, 2016 12:26 PM (UTC+8)