
Are the following mentions coreferent?:
<m> bombed </m> in A refugee camp in South Sudan's Unity state was bombed, South Sudan officials and witnesses said, threatening to raise tensions with Sudan in the violence- plagued border region. A Reuters correspondent heard a large explosion in the Yida refugee camp, then saw a crater about two meters ( 6. 6 feet ) wide, an unexploded bomb wedged in the side of a school building and a white aircraft flying north. 
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<m> fired </m> in The UN has disputed claims that Hamas militants fired mortars from the Gaza school that has suffered the deadliest attack of the war with Israel. Imad and Hassan Abu Askar, both of whom had fired mortar shells at troops from the school. 