Actor Heath Ledger has died from possible non-prescription and prescription drug overdose, police has suggested.

The 28-year-old Academy Award-nominated actor has been found dead in his New York residence in Soho. According to NYPD, Ledger's housekeeper and a masseuse found the actor unconscious on his bed around 3:30pm ET.

When he did not respond after they tried to wake him up, they had immediately called 911. The police said no foul play was likely involved. They had found pills near the body.

Ledger was reportedly in full cardiac arrest when the paramedics responded. CPR was performed, but the actor was pronounced dead on the scene.

Ledger is probably best known for his controversial and award-nominated role as Ennis del Mar in 'Brokeback Mountain'. He had gained fan base with the 1999 movie '10 Things I Hate About You' and 'A Knights Tale.' He was set to play Joker in the forthcoming Batman film 'The Dark Knight.'

Ledger has a two-year-old daughter, Matilda Rose, with ex girlfriend Michelle Williams. 

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