NEWPORT BEACH, Orange County (CBS / AP) — California prosecutors say platinum-selling rapper Young Jeezy has pleaded not guilty to possessing an illegal assault weapon during an investigation into a fatal shooting at a rap concert.

A spokeswoman for the Orange County district attorney says the rapper, whose real name is Jay Wayne Jenkins, entered his plea to the felony charge Tuesday.

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The spokeswoman, Farrah Emami, said the rapper and five others were arrested Sunday at the Verizon Amphitheatre in Irvine. The other five also pleaded not guilty to possessing an AK-47 assault rifle.

Jeezy remains jailed on $1 million bail. He’s due back in court Sept. 5.

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Authorities are still investigating who fatally shot a man backstage Friday at a concert Jeezy co-headlined with Wiz Khalifa at Shoreline Amphitheatre in Mountain View.

Authorities say none of those charged are being called suspects in the shooting.

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