Israel, Hamas Trade Blame As Over 500 Killed At Gaza Hospital Blast

Israel, Hamas Trade Blame As Over 500 Killed At Gaza Hospital Blast

At least 500 people have been killed in a massive explosion at Gaza's Al-Ahli Arab Hospital. The hospital was packed with injured and Palestinians seeking shelter at the time of the blast. Gaza's Health Ministry says hundreds remain under the rubble. As rescue workers scour rubble for survivors, Israel and Hamas trade blame for the attack. Watch this video for details.

The Gaza Health Ministry said at least 500 people were killed Tuesday when an airstrike hit a hospital compound in the center of Gaza City. Israeli officials denied targeting the hospital and said they believed the blast was caused by a rocket from Hamas or Islamic Jihad that fell short and struck the site. CBS News senior foreign correspondent Charlie D'Agata reports.