A horse attacked Alligator? Find out what happens next

In the video, a herd of horses can be seen eating grass close to an alligator. Suddenly one of the horses' charges at the alligator from behind and stomps its feet close to the alligator to scare him. 
However, the horse’s first attempt to scare the alligator fails, and it tries to stomp again, but this time the alligator grasped the horse’s leg with its mouth. However, the horse was fast, so the alligator couldn’t hold it properly. Watch the video.