05/19/2011 06:49 am ET Updated Jul 19, 2011

Jeff Conaway In Critical Condition After Overdose: 'Taxi' Star Hospitalized

Celebrity Rehab alum Jeff Conaway is back in the hospital following an apparent overdose.

The Taxi star, 60, who has had a longtime public battle with cocaine, painkillers and alcohol, is in critical condition at Encino Hospital Medical Center unconscious with pneumonia, according to the Los Angeles Times.

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