The grieving uncle of a newborn baby who died at a Sydney hospital after mistakenly being given nitrous oxide says "they just kept pumping poison into him".
Baby John Ghanem who was supposed to receive oxygen instead, died after the mixup at Bankstown-Lidcome Hospital on July 13.
His uncle Joe Kharma says he lived for less than an hour - a mere 57 minutes.
"We're speechless. All we want is justice for baby John," he told 2GB on Tuesday.
"I can't describe to you enough the feeling and the visuals we go through seeing a little white coffin go six feet into the ground.
"What makes it harder now is the fact that we know he was killed for nothing. They just kept pumping poison into him."
Mr Kharma criticised NSW Health Minister Jillian Skinner's response to the tragedy which she called a "devastating error".
"I can't understand how it's just a 'devastating error' to the minister," he said.
"You're dealing with someone's baby. Emotions are through the roof and all they can do is play the political game of covering up everything."
Another newborn remains in a critical condition after a similar mixup at the same hospital in June.
Mr Kharma said he hoped the baby would pull through.
"I don't want the family to go through what we're going through," he said.
