Ron Week: Prejudices - a question

[heidi.h.tandy.c92 at alumni.upenn.edu]

No: HPFGUIDX 16260

--- In HPforGrownups at y..., naama_gat at h... wrote:
> 
> Prejudice becomes vicious when it is coupled with hate. Ron's 
> prejudice against giants, house-elves and werewolves is not a good 
> thing to have. But, unlike Draco's prejudice against muggle-born 
> wizards, it is not expressed in the context of murderous attacks on 
> innocent members of these groups.


Naama - I'm really confused! Can you please provide a book/chapter 
citation for these "murderous attacks"?
I didn't see them in any of the four books I've read.