Israeli Forces Shell UN Office in Gaza

Israeli artillery shells struck the U.N. headquarters in the Gaza Strip on Thursday, setting a food warehouse ablaze and drawing a sharp rebuke from the visiting U.N. chief who called it an "outrage." Another Israeli bombardment killed Hamas' head of security.

The attack added to a day of deadly chaos pitting Israeli troops against Islamic militants. Terrified residents huddled in shelters and stairwells, or scooped up toddlers and fled on foot.

After nightfall, shells landed near Gaza City's Quds Hospital, where many families had sought refuge, and the building caught fire, forcing staff to evacuate hundreds of people. According to a hospital medic, some patients were pushed down the street on gurneys; a few held white flags.

The destruction added to what aid groups say is a humanitarian crisis in Gaza and ratcheted up tensions between Israel and the international community even as diplomats indicated progress in cease-fire talks.

Warfare continued Friday. Before dawn, Israeli aircraft struck about 40 targets all over Gaza, according to military officials speaking on condition of anonymity because an official announcement hadn't been released. No casualties were immediately reported.

Related

Gaza Crisis: When? Where? Why? Who?

UN HQ in Gaza on Fire; UN Chief Outraged

Hamas, Israel: 10-Day Truce Proposed

Israeli Foreign Minister Tzipi Livni was departing Thursday night for Washington to discuss a Gaza cease-fire with Secretary of State Condoleezza Rice. The United States and Egypt have been working to forge an agreement to end 20 days of bitter fighting.

High-level Israeli envoy Amos Gilad discussed that cease-fire plan in Cairo Thursday with Egyptian officials. After he consulted with Israeli leaders on returning to Jerusalem, they ordered him back to Cairo Friday for further talks, Prime Minister Ehud Olmert's office said.

The U.N. compound, made up of workshops and warehouses as well as offices, was struck about a half-dozen times over a roughly two-hour period while more than 700 civilians were sheltering there, said John Ging, head of Gaza operations for the U.N. Relief and Works Agency.

The civilians were huddling in the compound's vocational training center when it was struck by a tank round or an artillery shell, causing the three injuries, Ging said. Throughout this time, he said, U.N. officials were frantically contacting Israeli officials to urge an end to the firing on the U.N. compound.

Olmert said Hamas militants opened fire from the U.N. compound. "It is absolutely true that we were attacked from that place, but the consequences are very sad and we apologize for it," he said. The military said it was still investigating.