Thought the horn was going threw the guys throat and out his mouth but no blood anywhere near the horn or on the horn so its just an insanely timed photograph(or photoshopped). Doesnt' make the guy any less dead having the bull run over him though.
http://www.youtube.com/watch?v=XKkoslTNU6k&feature=player_embedded#! http://www.huffingtonpost.com/2010/05/22/julio-aparicio-gored-in-t_n_585941.html