Palestinians look at a destroyed house after an Israeli air strike in Khan Younis

Smoke caused by explosions from Israeli forces' operations

Smoke caused by explosions from Israeli forces' operations rises from buildings on the outskirts of Gaza City, Tuesday, Jan. 6, 2009. Israeli forces edged closer to Gaza's major population centers on Tuesday and attacked new targets, including a U.N. school, taking more civilian lives after ignoring mounting international calls for an immediate cease-fire