"The man now assisting police remains in custody", a police statement said, adding "no charges have been laid at this time".
"They were a ideal family. this is a lovely neighbourhood, it's quiet", Alfie said.
Police said it remained unclear how long the bodies of the five had remained in the house before discovery, but have since confirmed first responders would have access to a police chaplain in order to deal with what they found.
The relationship of the victims to the man in custody is also yet to be confirmed.
Coode Street resident Richard Fairbrother, who lives next door to the house where the bodies were found, said he last saw the family more than a week previously, as he had been away. "It does send a ripple through the community of Western Australia", Steele said.
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Seeking decriminalisation of consensual homosexuality, the NGO Naaz Foundation had first challenged Section 377 in the Delhi High Court in 2001.
"Whilst the scene is yet to be forensically examined it is believed up to five deceased are located at that scene".
Police have not revealed what he told officers when he turned up at the police station but Assistant Commissioner Paul Steel said there were no ongoing concerns for public safety over the "tragic incident".
"It's just horrific on every level".
Police then went to the Bedford home where they discovered the bodies about midday.
Another neighbour told WA Today she didn't know the home's occupants personally, but would often wave and say hello as she walked past.
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Bank manager Greg Harshfield told CNN affiliate WXIX that he could hear the shooting unfold from an upper floor of the building. Cincinnati Police Chief Eliot Isaac said, " Shooter has been identified as 29-year old Omar Perez who resided in Northbend, OH".
Specialist forensic police are expected to continue a meticulous examination of the crime scene on Monday.
"We're all in complete shock".
"We are a very close community, we have a high school just a few hundred metres and the street is always so calm and peaceful. I'm deeply saddened by what's happened".
In July, a 19-year-old man was charged with the murders of two children and their mother in another Perth suburb, Ellenbrook. No charges had been laid by late last night.
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After an impasse of several weeks, earlier Thursday US President Donald Trump indicated in a tweet that talks were moving forward. Park, 34, worked for a North Korean government front company called the Korea Expo Joint Venture, according to the complaint.
The deaths of Katrina Miles, her parents Cynda and Peter Miles, who owned the property, and her four children has been described as Australia's worst mass shooting since the Port Arthur massacre.
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