
Are the following mentions coreferent?:
<m> hitting </m> in At least one civilian was killed and seven others were wounded in the attack, which took place in the southern Sudanese city of Guffa. 
</s>
<m> bombed </m> in A refugee camp in South Sudan's Unity state was bombed on Thursday, South Sudan officials and witnesses said, threatening to raise tensions with Sudan. Khartoum denies that they carried out the strike. 