Festival goers are being warned Police are cracking down any all potentially illicit drugs.
Ditch the drugs or be thrown out of T in the Park and risk prosecution.
That's the warning from Police Scotland on the busiest day of the weekend festival.
Officers are coming down hard on banned substances AND so-called legal highs.
They say many legal highs still break drug laws, and offenders will be thrown off site or even reported to the Procurator Fiscal.
Detective Superintendent Jim Leslie says if caught, revellers will get more than just a slap on the wrist:
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