
Are the following mentions coreferent?:
<m> bombs </m> in Military aircraft from Sudan crossed the new international border with South Sudan and dropped bombs in and around a camp filled with refugees, officials said. The violence in and near the Yida refugee camp came one day after bombings were reported in another region of South Sudan, an attack that provoked strong condemnation from the U. S. State Department. 
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<m> attack </m> in Three shells hit Fakhura, a girls elementary school in the Jabalya refugee camp in northern Gaza, at about 3pm on Tuesday ( 12am yesterday ), according to UN Relief and Works Agency spokesman Christopher Gunness. Israel moved quickly to explain the attack on the Jabalya school, saying its forces had been fired on first. John Ging, the top UN refugee official in Gaza, said UN staff and Palestinian families in the school compound had been screened for weapons, and he disputed Israel's claim that mortars were fired from inside. 