By Kate Ward
Updated June 18, 2010 at 08:02 PM EDT

People reports that the death of Andrew Koppel, Ted Koppel’s son, was ruled an accident. The New York City Medical Examiner’s Office said he died from acute intoxication due to a combination of alcohol, heroin, cocaine, diazepam, and Levamisole in his system. Koppel passed away on June 1.