Dad, 59, mauled to death at home by own dog which had 'previously attacked children'

A man was mauled to death by his own dog following an argument with his housemate, police have said.

Dave Whitney died after the Rottweiler attack at his home in Perth, Australia on Monday.

Despite frantic efforts by paramedics the 59-year-old dad died at the scene at roughly 8pm.

Western Australia Police were forced to call rangers to help them remove the aggressive dog.

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Dave Whitney died at his home on Monday (9News)

The animal has since been put down after it lunged at officers, Yahoo News reported.

Prior to the attack Mr Whitney had been in an argument with 36-year-old Brody Gardner, 9News reported.

The fatal mauling was not the first time that the dog had attacked someone.

Mr Whitney and Mr Gardner had to have plastic surgery after the dog went for them both earlier this year.

A neighbour reportedly complained to the council about the dog previously (9News)

The 59-year-old died despite the best efforts of emergency responders (9News)

The council received a complaint from a neighbour about another incident in which the hound was aggressive towards a child.

According to 9News one woman said the dog had attacked "numerous children".

Western Australia Police homicide squad detectives are investigating the death.

A 36-year-old man was assisting with inquiries, but had not been charged, the force said.

A post mortem is due to be held today.