But the final schism and the defining moment for Shiism came when Ali 's son , Hussein , was killed in battle in Karbala , in what is now southern Iraq .
Iraq /location/location/contains Karbala
CC DT JJ NN CC DT VBG NN IN NNP VBD WRB NNP POS NN , NNP , VBD VBN IN NN IN NNP , IN WP VBZ RB JJ NNP .
Iraq
LOCATION
Karbala
LOCATION
/location/location/contains