Yesterday he maintained his drink had been spiked.Police went to Rushcutters Bay Park after reports of a man bashing his head against a fence about 3.20pm.
Police say McKenney was unconscious and covered in blood from facial cuts.
After ambulance officers treated him, police asked whether he had any illicit substances and he allegedly replied, "Just some GHB".
In his pocket he had a glass vial with 20ml of a clear substance, which police will test.
Drug expert Paul Dillon said this was about 10 doses, with a street value of $35-$40 per dose.
Sydney St Vincent`s Hospital emergency department director, Prof Gordian Fulde, said one dose of GHB usually lasted three to four hours.
McKenney has vowed to fight the drug allegations. He thanked his Sydney radio breakfast show listeners for their support.
TAKE a look at 50 years of AFI best film award winners
A GANG of students wrestled a boy to the ground and bashed him as he lay with head injuries
A CRUISE ship carrying 122 people, including 11 Australians, is adrift in Antarctica after running aground and will be evacuated within hours
ABC Learning`s receiver has assured parents there will be a childcare place for every child currently enrolled at centres
A MAN who admitted stabbing his mother to death says he is not remorseful nor repentant but regrets not doing it 20 years ago
AUSSIE passengers who told relatives about pirate attack given " real dressing down" by crew
THE Government has struck a $2 billion deal to prevent the financial collapse of the car sales industry
