Three young boys fighting for lives after fire in Western Australia

A young boy has undergone surgery following a house fire that left three children severely burned.

The youngest, 12, suffered burns to 90 per cent of his body and has undergone surgery to treat his injuries.

Two others, 13 and 14, remain in a critical condition as they continue to be treated for burns at Perth's Royal Children's Hospital.

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Two of the boys are brothers and the third is their friend.

The fire broke out at a home on Marinula Road in Geraldton at 4.10pm on Thursday

A fourth boy, 13, was taken to Geraldton Hospital and was later discharged.

The arson squad has combed through the home looking for clues as to how the fire started.

While the cause of the fire is unknown, there were reports of a large explosion in the backyard, according to police.

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