A well-known St. Petersburg radio personality died in August from a cocaine overdose, authorities confirmed Monday.

Dave McKay, whose real name was Steve Ehmke, was 55 when he died Aug. 4.

He was part of the Dave and Veronica show on 99.5 WQYK.

Bill Pellan of the Pinellas County Medical Examiner's Office said autopsy results were released Monday.

Police said Ehmke didn't show up for work Aug. 4. A coworker who lives in his building checked on him and found him deceased.