How did austria's government react to the assassination of archduke francis Ferdinand?

Answer:
Austria's government took this very seriously, they invaded France without permission.

EDIT:
Actually, they issued an ulitmatum to Serbia that if they didn't meet a list of demands, there would be war. France was not represented in this conflict.
First answer by MarchenOtaku. Last edit by MarchenOtaku. Contributor trust: 16 [recommend contributor recommended]. Question popularity: 10 [recommend question].