A man has been charged with murder after he allegedly assaulted a woman and set their Perth home alight before fleeing.
Firefighters were called to the Warnbro home in Perth's southern suburbs early on Friday, where the 30-year-old woman's body was discovered.
Police allege the 35-year-old man had assaulted the woman sometime prior to 1am at the home where they both lived.
He set the house alight, fleeing the property with the woman's three-year-old child and leaving the victim inside, police allege.
Paramedics took the the toddler to Rockingham Hospital for treatment of smoke inhalation.
The home sustained minimal damage in the blaze.
The man was charged with murder and criminal damage by fire.
He is expected to appear in Perth Magistrates Court on Sunday.
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