BEIT LAHIA, GAZA STRIP – JANUARY 17: Homeless Palestinian men stand in a burnt classroom at a United Nations school after it was hit by Israeli shelling on January 17, 2009 in Beit Lahia, northern Gaza Strip. Israeli Troops carried out a further 50 air strikes in Gaza overnight as the prospect of a cease-fire draws closer. Reports suggest that Israeli artillery targeted another UN school in northern Gaza where refugees sheltered, killing least two people. (Photo by Abid Katib/Getty Images)