Tuesday, 23 December 2014
Australian police said they did not believe an attack was imminent
The other suspect was charged with breaching a control order.
The arrests were related a series of counter-terrorism raids in September, officials said.
They come after Australia's prime minister said there had been heightened "terror chatter" since a cafe siege in Sydney last week.
Enforcing the treaty will not be easy, as Russell Trott reports
A global arms trade treaty regulating the multibillion-dollar business has come into force - a move hailed as "a new chapter" by UN chief Ban Ki-moon.
He said he hoped the treaty would help prevent the transfer of weapons to "warlords, human rights abusers, terrorists and criminal organisations".
The deal also bans arms supplies if this promotes war crimes or genocide.
So far 60 nations have ratified the accord, but not the US - the world's top arms exporter.
The Interview includes a fictional plot to assassinate North Korea's leader
US President Barack Obama has welcomed a decision by Sony to screen a comedy about North Korea in some US cinemas.
Sony initially pulled the film following a cyber-attack and threats against cinemas, but reversed that decision in the face of criticism.
The US has accused North Korea of being behind the cyber-attack.
The film is expected to show in 200 mostly independent and art-house cinemas on Thursday. Hackers have threatened fresh attacks.
Mr Obama was one of those to criticise Sony's earlier decision to cancel the film's release, calling it a "mistake".