KEY POINTS:
Eddie Murphy's comedy Norbit leaped to the top of the North American box office over the weekend, raking in an estimated US$33.7 million ($49 million).
Horror thriller Hannibal Rising was second, with an estimated US$13.4 million, and romantic comedy Because I Said So, starring Diane Keaton , dropped from second to third place with US$9 million in its second week.
