Immigration minister Scott Morrison says there's no issue with Papua New Guinea processing asylum seekers despite a security incident at the Manus Island centre.
A disturbance involving members of the PNG police and military outside the centre on Friday triggered a "red alert" and staff were moved to a secure part of the facility.
Initial reports that firearms had been drawn were later dismissed by Mr Morrison, but he confirmed that members of the defence force were seen by detainees carrying rocks and sticks.
Asked on Monday if he was confident about PNG's capacity to process asylum seekers at the centre, Mr Morrison said "there is nothing to suggest otherwise".
"There has been extensive levels of support and training and mentoring being provided to Papua New Guinea and Nauru to manage those processes, and I haven't seen anything to suggest that there are issues associated with that," Mr Morrison said in Canberra.
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He also disputed claims from asylum seekers that the centre had been abandoned in the disturbance, and dismissed other claims as "hysterical".
"They were completely over the top and proved to be completely false and I'm finding that quite a bit in this area," he said.
But Labor's new immigration spokesman Richard Marles said the Abbott government had failed to provide "the full truth and full disclosure" about the incident.
"It took 48 hours ... before we had any word from minister Morrison," Mr Marles told reporters in Canberra.
"What we need is full disclosure from this government whenever an incident of this kind occurs, and we need full disclosure about what occurred on Friday."
