
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> struck </m> in Two Israeli tank shells struck the school in Jabaliya refugee camp, spraying shrapnel on people inside and outside the building, according to news agency reports. John Ging said that three artillery shells landed at the perimeter of the school where 350 people were taking shelter. 