Prime Minister Malcolm Turnbull is set to champion the untapped potential of South East Asia as he begins talks ahead of the ASEAN-Australia (AH-see-ahn-australia) Special Summit in Sydney.
And as the V-I-P guests arrive, advocates are calling for the Prime Minister to speak out about alleged human rights violations and crimes against humanity.
Human rights campaigners want the prime minister to raise issues such as anti-democratic government actions in Cambodia and the Rohingya refugee crisis in Myanmar.
Amnesty International's Claire Mallinson says staying silent could have a detrimental effect.

