This is an older video from National Geographic. It chronicles the struggles for territory between a lion pride and a pack of hyenas. The hyenas hound a bunch of females from the area until the male arrives. He hits the hyena matriarch after the zebra kill and in the following weeks the war continues with the new matriarch.
It shows the sheer aggressive primeval power of the lion.
DO NOT WATCH if you are squeamish. A baby zebra dies in the beginning...probably wishing the lion had shown up five minutes earlier.