Nine soldiers and two police officers were killed in the ensuing gun battle, and two police officers were wounded, the officials said.
Two police officers were hurt but not killed
The passage states that two police officers were injured 
( z1 have-concession :ARG1 ( z2 kill :polarity - :ARG1 ( z3 person :quant 2 :ARG0-of ( z4 have-org-role :ARG1 ( z5 police ) :ARG2 ( z6 officer ) ) ) ) :ARG2 ( z7 hurt :ARG1 z3 ) )