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(CNN) -- Heath Ledger died from an accidental overdose of prescription medications including painkillers, anti-anxiety drugs and sleeping pills, the New York City medical examiner's office said Wednesday. Actor Heath Ledger, 28, died January 22 at an apartment in Lower Manhattan. Mr. Heath Ledger died as the result of acute intoxication by the combined effects of oxycodone, hydrocodone, diazepam, temazepam, alprazolam, and doxylamine, the office said in a short statement. We have concluded that the manner of death is accident, resulting from the abuse of prescription medications..
A few months before his death, Ledger had finished filming his performance as the Joker in The Dark Knight. His death occurred during editing of The Dark Knight and in the midst of filming his last role as Tony in The Imaginarium of Doctor Parnassus.