Heroism in Central Sydney as passers-by confront and pin down a man accused of going on a stabbing rampage; How long will protests in Hong Kong continue? Antony Dapiran joins PM, a Hong Kong lawyer who's written about city's history of dissent.

Over 10,000 guns have been handed in as part of the NZ buy-back scheme, but many more outlawed firearms are still out in the community; Hong Kong Airport occupied by pro-democracy demonstrators railing against "police brutality;" and an inquiry hears that too many Australians are still taking on too much debt.

It's been called one of the best meetings of State and Territory leaders in years - at COAG, an agreement has been reached to ban the export of recyclable waste, to stop it ending up in the ocean;

And unions are emboldened by a Reserve Bank push to scrap the wage cap for public sector workers, but what are the chances of any government embracing it?

Trade tensions between the US and China on the rise. What does it mean for Australian businesses and shoppers? Donald Trump in El Paso following a mass shooting, amid accusations that he stirs up racist sentiment; and can an accused murderer get a fair trial in the age of true-crime podcasts?

Fallout from the High Court ruling against a public servant who was sacked after tweeting - a workplace lawyer warns it reflects a growing trend across the public and private sector; And life's getting tougher for those stuck on Newstart.

President Trump blames mental health, hate, the internet and gruesome video games for violence in society. His response to mass shootings is angering those in the video game industry. And the abortion debate inside and outside NSW Parliament. There are breakout voices in the Christian faith calling for it to be decriminalised.

Thoughts and prayers from the US President to the people of Texas after the weekend's mass shooting; PM speaks with the founder of the social media site on which the El Paso murder suspect posted a white supremacist manifesto; and why would Australia have its strategic oil reserve hosted by the United States?

Talks with the Taliban aim to end Afghanistan's 18 year war, but the bloodshed continues. Afghan journalist Bilal Sarwary describes a country where lives don't seem to matter; and virtual reality technology goes beyond gaming — it's now being used to calm vulnerable patients. But is it a deception, and is it ethical?

A class action underway against Toyota after allegations of faulty filters causing toxic exhaust in hundreds of thousands of vehicles; the Chinese Army in Hong Kong releases a video celebrating its anti-riot training, chilling protest organisers; and new figures indicate Australia's road toll is rising.

Outrage about allegations of organised crime and corruption at Crown Casino - are gambling regulators doing enough to take on the high rollers? And Pacific Island leaders incensed by Australia's climate change policies are demanding more action ahead of a critical meeting in the tiny island nation of Tuvalu.