Very, very sad if this is true...
ETA: This happened last week, so if this is old news, then my apologies. If it is old news, I can't believe I missed this...
The knowledge of the nature of a horse is one of the first foundations of the art if riding it, and every horseman must make it his principal study.
~Francois Robichon de la Gueriniere
This has been discussed several times here and on Off Course and they have all been locked pending more information on the effects on the horse community.
Then I apologize for starting another one. I must have been living under a rock.