Australia live news: police officer pays tribute to gunned down colleagues; US asks for extradition of former pilot Daniel Duggan

Experts express disbelief that Train brothers were not on the radar of security services and police union calls for security review

‘Australia needs to step up’ at Cop15: Hanson-Young

Greens senator Sarah Hanson-Young is at the Cop15 in Montreal. Also present is the environment minister, Tanya Plibersek.

This summit is so important … this is the Paris agreement for nature, because we are right on the cusp of losing critical habitat and parts of nature that will never be able to be restored and wildlife that will go extinct forever.

So we do need to pull out all stops … When it comes down to money and the struggles for those developing countries, the poorer countries, those who are more vulnerable, they really need more help.