Nicole Kidman in shock over father's sudden 'unnatural death'

Nicole Kidman and her family are mourning the death of her father Antony Kidman after his sudden "unnatural death".

Kidman's father, who was a respected psychologist at University of Technology, Sydney, supposedly suffered a fatal heart attack, the Daily Telegraph reported.

A source said that Antony was much loved by staff and students and he will be deeply missed.

Nicole always shared a great bond with her father.