Remarks by Singaporean Prime Minister Lee Hisen Loong referencing an Indochinese War-area conflict has caused immediate reactions from Cambodian and Vietnamese officials.
Opposition calls on international community to reject results of Sunday's election, which ended with a victory of the ruling party.
Prime Minister Hun Sen aiming to extend his more than three decade long rule, legitimize ballot missing his only real contender.
It was a departure from the cult of personality Hun Sen has cultivated as a self-made rebel rather than an entitled member of the ruling class, observers told VOA.
Following the dissolution of Cambodia's only credible opposition party, the country's Prime Minister Hun Sen held a ceremony at Angkor Wat to pray for happiness and peace.