What brings the feud to a boiling point?

The next day Miss Sophia elopes with Harvey Shepherdson, and the feud is rekindled in full force. Buck's father and both his brothers are killed in an ambush, and Huck arrives at the harbor in time to see Buck and his cousin shooting at five grown men. Eventually the men manage to sneak around Buck and kill both the boys while Huck watches from a tree that he climbed.