Ride Along still on top. as Frankenstein flops

Ice Cube and Kevin Hart's comedy Ride Along has scored a second week at the top of the box office as new release I, Frankenstein becomes the first monstrous flop of the year.

The action movie, which stars Aaron Eckhart as the monster, was expected to debut in second place but comes in sixth with a disappointing $8.3 million.

War movie Lone Survivor and animated hit The Nut Job round out the new number three.

Ride Along adds another $21.2 million to its two-week haul, taking the film's tally past the $75 million mark.