From foreign interference by Iran to a plan for anti-immigrant rallies, a lot of people are seeing signs this week that Australia's social cohesion is fraying. So what's fuelling it? 

And the manhunt for the gunman who allegedly killed 2 police officers in Victoria is in its second day. We have the latest.

Also, 1 year on we check in on the students in Bangladesh who toppled their government. 

Plus: why one of the most isolated parts of the country keeps producing iconic Aussie music. 

Listen now: 

01:15 - What we know about Dezi Freeman

05:25 - How social cohesion became a flashpoint

16:00 - The Bangladesh student uprising 1 year on 

24:45 - Why Arnhem Land wants to share its music

Guests:

• Dr Ben Rich, senior lecturer in international relations, Curtin University
• Ellie Grounds, reporter, ABC TV Foreign Correspondent

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