Liam Neeson on coping with his wife's sudden death

Irish actor Liam Neeson has compared his relationship with Natasha Richardson to Fred Astaire and Ginger Rogers as he opened up about her death in a new interview.

Actress Richardson died in March 2009, at the age of 45, from head injuries following a skiing accident in Canada.

Neeson, 61, spoke out about his loss in an interview with US show 60 Minutes conducted at his New York State farmhouse, where the couple were married in 1994.