FORT HOOD, Texas - A chaplain exhorted hundreds of mourners gathered at a candlelight vigil to not give up hope as Fort Hood and its surrounding community looked to each other for comfort after an Army psychiatrist allegedly went on a deadly shooting spree at the military post.

A grief counseling center was set up Friday at the Killeen Community Center to help residents struggling to make sense of one of the worst mass shootings ever on a military facility in the United States. At least 13 people died and more than two dozen were wounded in the attack a day earlier.