A 16-year-old girl ended ended up in a coma after taking drugs at TRNSMT.
She was rushed to hospital after becoming ill at the Glasgow Green music festival on Friday.
A police investigation was launched shortly after in a bid to find the person who supplied her with the illegal substance.
A 19-year-old man has since been arrested in connection with the incident.
The Scottish Sun reports the victim was rushed to the medical tent within the city centre arena by her friends, then she was rushed to hospital by ambulance.
The Sun also reports that medics saved the life of the teenager by placing her in a medically induced coma.
It is believed the 19-year-old has been accused of providing the girl with the drugs at Braehead shopping centre, and that he is due to appear in court this week.
A Police Scotland spokeswoman said: "Around 7.40 pm on Friday, July 12, 2019, police were made aware of a 16-year-old girl having been taken to the Queen Elizabeth University Hospital after becoming unwell at a festival in Glasgow Green.
"A 19-year-old man has been arrested for alleged drugs offences.
"A report will be submitted to the Procurator Fiscal."
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