Flowers and candles have been left outside a Sydney home where three children were killed in a fire.
The tributes are growing at the home in Lalor Park in Blacktown in Sydney's west, amid the allegation a father tried to stop emergency services from saving them.
'Rest in peace sweet innocent children' one message left on a bunch of flowers said.
Police and investigators are combing the Lalor Park home after the blaze which started around 1am on Sunday.
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Two boys aged three and six years old were given CPR on the street but they couldn't be saved and a baby girl was found dead inside the home.
As rescue crews, emergency services and locals battled powerful flames, Dean Heasman, 28, was allegedly pushing the children back in.
A nine-year-old girl and three boys aged four, seven and 11 were taken to Westmead Hospital, where a 29-year-old woman was also treated.
Heasman was put in an induced coma.
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Neighbours said the surviving children allegedly told them the man ordered them to stay inside the home as it burned, one of them claiming he tried to fight in a bid to save his siblings
Residents claimed they saw the man attempting to drag the terrified children back inside.
They said he was shouting "leave me here to die".
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"We're alleging that 28-year-old man took direct actions to prevent the rescue of those young lives that were lost," NSW Police Homicide Squad Superintendent Danny Doherty said.