Shark hazard warnings and hi-tech solutions such as underwater gliders and overhead drones could prove the best hope of reducing the number of fatal shark attacks in WA waters, researchers say.

The police interview of a man accused of sexually assaulting a young girl pimped out by her father to a paedophile ring is ruled admissible, after it was claimed police failed to follow procedure.

The WA Government confirms it is negotiating with four local companies to build part of the $70 million Swan River stadium footbridge at no extra cost, following delays and compliance concerns.

Two former WA union bosses will have to pay tens of thousands of dollars in fines after using member money to buy luxury cars and arrange a generous severance package worth hundreds of thousands of dollars.

Just what has gone wrong with the new Perth Children's Hospital — and what still needs to happen before the first patients can be admitted?

Representatives from Argentina have made more official visits to Australia this year than the past 10 years combined.

Police investigating a murder in the inner Perth suburb of Northbridge take a man into custody, days after publicly naming him as a suspect in the case.

Aboriginal soldier and Indigenous veteran advocate Paul Hansen is remembered by his peers as strong and reliable as his family prepare to represent him for the first time at the Anzac ceremony on Rottnest Island.

One of WA's biggest farmers has walked away from his operations in the Kimberley's Ord Irrigation Scheme.

Scientific testing has shown levels of toxic firefighting chemicals in the waters of Perth's popular swimming and fishing area Cockburn Sound are safe for recreational users, according to the inlet's management board.

Fresh off booking his place in the Australian swim team, emerging WA sprint king Zac Incerti is eager to make a splash at the world championships in Budapest later this year.

A violent sex offender told an acquaintance a body was going to be dumped in Kings Park in the weeks before Lloyd Rayney's wife's disappearance, a court hears.

Prime Minister Malcolm Turnbull says connecting WA's "huge gas resources" to the eastern states is an "opportunity" the Government is considering.

The man accused of murdering West Australian teenager Hayley Dodd will argue that the extensive publicity surrounding the case means he should have his trial heard by a judge sitting without a jury.

While the new WA Government has committed to a trial of one-metre passing rules, cycling and motoring groups say what really needs to change are attitudes.

The Government will spend $120,000 trying to fix lead contamination in the water pipes at the long-awaited new Perth Children's Hospital but will bill the contractor for the cost, Treasurer Ben Wyatt confirms.

A former Aerocare worker says a baggage handling supervisor was accidentally locked in the cargo hold of a plane about to take off from Brisbane airport — but the incident was never reported to safety authorities.

A Perth detective admits an "oversight" could render a police interview with a man accused of being involved in a paedophile ring which abused a girl pimped out by her father for two years inadmissible.

A thief who stole hundreds of thousands of dollars in cash kept in an unlocked safe by an elderly Perth couple, which he then tried to return, has his jail term overturned.

Lloyd Rayney's defamation case is shown "very confronting" video footage and photographs of the post-mortem examination of his wife's body, as a former detective denies lying to the court to enhance his evidence.

Industry says the replacement of 457 visas should include Maritime Crew Visas, while miners are wary of impacts in a future upturn.

Police investigating a murder in the inner Perth suburb of Northbridge release a photograph of a man wanted for questioning, naming him as 40-year-old Daniel Carrington.

Self-confessed sneakerhead Lee Ingram has more than 800 pairs and counting — some of his favourites are on show at the Art Gallery of WA.

The expectation that Indigenous girls will help with home duties is having a negative impact on their education, a young women's mentor says.

Claims by the Australian Manufacturing Workers Union that all West Australian uranium projects should be halted are dismissed by the minerals council.