 Officials say at least 60 people were killed in a stampede, more than 150 hospitalized. They say the death toll could rise. Police say overcrowding is a possible factor. More than 15,000 people were at the event. Organizers only had permission to host 5,000. An Israeli strike has killed at least nine people in the southern Gaza city of Han Yunis, and a ground operation is expected next. CBS's Holly Williams has more from Tel Aviv.