
Are the following mentions coreferent?:
<m> attack </m> in Eighteen hours after the attack on one of his schools killed 40 Palestinians seeking shelter from Israel's war on Hamas, the United Nations 'director of operations in Gaza, John Ging, was certain of at least one thing. When the Israeli attack came on the Prep C girls school in the Jabaliya camp at 3.45pm on Tuesday, Mr Ging said about 350 Palestinians were inside, using the school as a shelter. 
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<m> attack </m> in An Israeli mortar strike that killed about 40 Palestinians sheltering in a UN school Tuesday brought new urgency to diplomatic efforts to end Israel's military onslaught in the Gaza Strip. The Israeli army said the UN school in the Jabaliya refugee camp was hit when troops responded to a mortar attack from the grounds and that the dead included a number of Hamas militants. The mortar strike in Jabaliya was the second attack on a school run by the UN Relief and Works Agency, or UNRWA. 