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Ging, the UNRWA chief, said Israeli tank fire killed the two brothers, aged 5 and 7, in a U.N. school in the northern town of Beit Lahiya where they had sought sanctuary. Their mother, who was among 14 wounded, had her legs blown off.

About 45,000 Gazans fleeing battle zones are sheltering in U.N.-run schools in the enclave.

On the home front, as inauguration day approaches, fashion experts guess what future First Lady Michelle Obama will wear on the day. 

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