Major General Craig Furini becomes the fourth commander of operations aimed at preventing asylum seekers reaching Australia.
A lawyer for Melbourne-based refugee Hakeem AlAraibi, who is detained in Thailand, says his home country of Bahrain is yet to lodge a formal extradition request with Bangkok.
A massive increase in Chinese nationals arriving on temporary migrant visas, in particular international students, are driving soaring refugee claims, experts say.
Canberra calls on Thailand to immediately release a Melbourne-based refugee, amid fears he could be tortured if an extradition request made by Bahrain is carried out.
A hearing will determine whether former Bahraini national soccer team player Hakeem AlAraibi, who has refugee status in Australia, will be deported back to Bahrain despite his fears of being tortured and killed.
Sayed Rabbani fled Afghanistan as a young boy in 2001. He spent his teenage years in refugee camps before being granted asylum in Australia. Now he says every moment children are kept on Nauru causes more suffering, which will haunt them for the rest of their lives.
Prime Minister Scott Morrison, facing defeat on a bill to get more refugees off Manus Island and Nauru, vows any attempt to change asylum seeker policies will threaten Australia's national security.
Hakeem Ali AlAraibi was detained at Bangkok Airport at the request of Bahrain a week ago and remains in custody, despite being cleared to return home after the Red Notice used to detain him was lifted.
A secret Australian government body tasked with making decisions on medical transfers from Nauru discussed eradicating a longstanding requirement that medical care in offshore facilities must meet "Australian standards", according to internal documents.