Reports of gunshots as human remains found in two burnt-out cars in Sydney overnight

Bodies found in cars in Royal national park south of the city and in western suburb of North Parramatta

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Human remains have been found in two burnt-out cars in two different parts of Sydney, but police said it was too early to tell whether the two discoveries were linked.

Skeletal remains were found inside a burnt-out four-wheel drive in a national park south of Sydney early on Tuesday morning.

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