He told police he was approached by three youths, alleging one stabbed him in the back with a machete.
Residents living on Maxwell Road in the southern suburb of Hackham West said they could hear the teen screaming for help.
“I heard him screaming out, he was screaming that he didn’t want to die, he didn’t want to bleed out. He was asking for his mum,” resident Grant Washington said.
At 1.45am, the teen collapsed on the verandah outside the house of Xavier Maclean, who luckily is a former paramedic.
“He was saying, ‘I’m gonna die, I’m gonna die’,” Maclean told 9News.
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“My partner and I, we ran to get some gauze to put pressure onto his wound just so we can stop the bleeding.”
Police allegedly found a knife in nearby bushes.
SA Ambulance officers took the teen to Flinders Medical Centre where he was treated for non-life threatening injuries, police said.
A 17-year-old boy from Glenelg and a 15-year-old boy from Morphettville were arrested and charged with aggravated assault causing harm.
They were both refused bail to appear in the Christies Beach Youth Court tomorrow.
