One child a month left on a bus across Australia over the past five years

Lawyer acting for families says it is happening more than people would believe or understand'

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At least 68 children have been left on buses in Australia in the past five years - a rate of more than one a month.

Earlier this month, three-year-old Nevaeh Austin was treated in intensive care after being found unconscious on a bus outside her Queensland childcare centre. She had been left on the bus alone for six hours in temperatures over 30C .