
Are the following mentions coreferent?:
<m> air strike </m> in A refugee camp was the target of an air strike in South Sudan's Unity state on Thursday, less than 50 km ( 30 miles ) from the tense border with Sudan, a Reuters witness said. There appeared to be no casualties. The Reuters correspondent heard a large explosion then saw a crater about two metres ( 6. 6 feet ) wide, an unexploded bomb wedged in the side of a school building and a white aircraft flying north from the Yida refugee camp. 
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<m> hit </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. Two people were killed when an artillery shell hit a UN school in the southern city of Khan Younis. 