Hun Sen accuses Singapore PM Lee Hsien Loong of ‘supporting genocide’ as war of words over Cambodia’s Khmer Rouge-era escalates

• Vietnam’s actions to remove the Khmer Rouge regime in the late 1970s are still a source of division among Asean member states
• Singapore was among those that saw Hanoi’s actions as an act of foreign aggression; Cambodia and Vietnam to this day say this is ‘not true’