The release of a Senate inquiry report into a fatal riot at the Manus Island immigration detention centre in Papua New Guinea has been delayed.
Iranian asylum seeker Reza Barati was killed and 62 others injured during a clash with the centre's PNG staff and locals in February.
A government-initiated report found no one factor sparked the violence.
A separate Senate committee inquiry was due to report on Wednesday but that's now been held up.
It could be released on Friday, after parliament rises for the year, or in coming weeks.
The report will focus on duty of care issues, jurisdictional responsibility and the actions of Immigration Minister Scott Morrison.
PNG police charged G4S guard Louie Efi and Salvation Army worker Joshua Kaluvia with Mr Barati's murder in July.
Police are still hunting a trio of other suspects.
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