
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> attacks </m> in According to the reports, more than 40 Palestinians were killed after missiles exploded outside a UN school where hundreds of people were sheltering from the continuing Israeli offensive. Two Israeli tank shells struck the school in Jabaliya refugee camp, spraying shrapnel on people inside and outside the building. 