Palestinian children, who fled their houses with their families during Israel’s offensive, survey the damage after Israeli tank fire killed two boys at a U.N.-run school in the northern Gaza Strip January 17, 2009. Israeli tank fire killed two boys at a U.N.-run school in the northern Gaza Strip on Saturday, not six people as previously reported, a U.N. official said. An Israeli army spokesman said he was checking the report. REUTERS/Mohammed Salem (GAZA)