Nicholson predicted trouble for Ledger

Jack Nicholson has hinted he warned tragic Heath Ledger against taking on the role of 'The Joker' in the new 'Batman' film.

Ledger, 28 - who was declared dead at 3.30pm at his Manhattan apartment on Tuesday publicly declared himself exhausted and sleep deprived in November following the gruelling shoot for 'The Dark Knight'. He also revealed in an interview with the New York Times he'd resorted to taking sleeping pills - an overdose of which is believed to be the cause of his death