Good morning. Thomas Morgan here with today's AM newsletter.

In South-East Asia, authorities are alarmed by a rising trend of school shootings. Investigators say a nihilistic online cult may have played a role.

Plus, fears of a domestic violence spike from a visa overstayer crackdown, and Alan Kohler reminisces on the unexpected stories while working at the ABC.

Rising extremism: The Philippines town of Banga is the latest to be left reeling by the country's third school shooting in mere months. But amid the carnage, the heroic actions of a 14-year-old are being praised.

Such attacks were once rare in the South-East Asian nation. Now officials say an online subculture linked to "nihilistic violent extremism" is radicalising pupils and leading to violence.

Today, correspondent Tim Swanston investigates what is fuelling the latest spate of violence on school campuses across the region.

Migration changes: Advocates fear a crackdown on visa overstayers will embolden abusers. There is a long-established link between the immigration system and domestic, family and sexual violence.

Tuning out: The Victorian state poll is a key test for the major parties, writes Patricia Karvelas. AI and One Nation are both factors at play.

'Santos-sized loopholes': There are fears a new federal policy could leave significant gaps in Australia's gas reservation scheme. The plan is also causing tensions within the industry.

As his time as the ABC's finance presenter comes to a close, Alan Kohler is reflecting on the stories he covered (and the ones he missed) during his 31 years at the broadcaster.

And as he passes the baton on, he also throws forward to what stories could shape the decades to come in an even more unpredictable world.

It's the career opportunity of a lifetime, that takes you to a place few others get to venture to.

So how does one get a job working in Antarctica? And what does it take to live there?

As Winnie Yum explains in her own words, it was a long journey to get to the Davis Research Station, but the opportunities, natural beauty and life lessons that come from a life on the frozen continent are worth it.

A small town is searching for answers after two students were shot dead at school. All signs point to a new wave of extremism in the form of a little-known online community.

In his final column before retiring from the ABC, Alan Kohler reflects on the stories that shaped him, plus those that shaped Australia in ways he could not predict.

The US president has blamed Ukrainian strikes on Russian refineries for high diesel prices and called for fresh elections to replace Volodymyr Zelenskyy.

The error was picked up by a lawyer of a crash victim who noticed his client's payment did not add up, not by NRMA Insurance or the NSW regulator.