GAZA: When an Israeli airstrike destroyed his family’s home in November, Zein Oroq was pinned under rubble. He was wounded but survived, while 17 members of his extended family died.But Zein, 13, would later suffer a cruel fate in Gaza, where Palestinians face severe shortages of medicine, food and water in a deepening humanitarian crisis.The population of the tiny enclave, where Israel and the Palestinian Islamist group Hamas have been fighting for more than six months, is at risk of famine.