NEW : This means the product will ship as received by the manufacturer, sealed, with all advertised components, and with the manufacturer warranty. Deaths of four children in Gaza camp a `` war crime , '' Hamas official says . Israeli officials say they 're investigating , but never intentionally target civilians .
NEW : The proposed period of calm is expected to last five hours Thursday . Deaths of four children in Gaza camp a `` war crime , '' Hamas official says . Israeli officials say they 're investigating , but never intentionally target civilians .