The Associated Press has reported that actor Heath Ledger was found dead this afternoon in a New York City apartment.

Best known for his Oscar-nominated role in Ang Lee’s Brokeback Mountain, Ledger’s most recent role was as Bob Dylan in Todd Haynes’ I’m Not There. This July he’ll appear as The Joker in Christopher Nolan’s highly anticipated Batman sequel, The Dark Knight. Ledger has a daughter, Matilda, with his Brokeback Mountain co-star Michelle Williams. He was 28.